Chapter 09

Chapter 9: The First Record

Chapter 9: The First Record

Tessa had the Merrin materials ready on Thursday morning: a flat archival box containing three items, which she set on the reading room table without comment and then left. The three items were a ledger of accounts, a correspondence file, and a smaller personal notebook with a water-damaged cover that had buckled along the spine from moisture at some point in its history and had been stabilized but not fully restored.

Corin was already in the reading room when Mira arrived. He was not pretending to work -- he had his assessment folder but it was closed, his pen capped, his hands folded on the table with the particular quality of someone who has arrived at a moment they have been approaching for some time and is now waiting for the moment to begin.

She sat across from him. She looked at the box.

"The personal notebook first," she said.

"Yes."

She opened the box and took it out.

The notebook was smaller than she had expected -- pocket-sized, the kind that could be carried easily, the leather cover thin and soft with age. The water damage had warped the back cover and the last twenty or so pages, the ink there faded in a way that would require careful photography before it could be read comfortably. The early pages were better. She opened to the first page and read the inscription: J. Merrin, Alderheath, began November 1890.

She turned to the first entry.

The handwriting was careful and regular, the hand of someone who had been taught penmanship properly and who still wrote with the quality of care that early formal training produced even in casual personal records. The first entry was dated November 12, 1890, and described the week's work in the smithing guild with the specificity of a craftsperson who understood that his observations had value: the particular piece he had been working on, the technique, the result, the way the result had felt in his hands.

She read the first page, then the second. Standard workshop diary, the kind of personal record that craftspeople kept in this period. She turned to the third page.

The entry dated February 18, 1891 began differently.

She slowed her reading.

The entry described a week in the same careful handwriting but in a different register -- the register of someone writing about something they were not certain how to describe. The week had begun normally. Then on the third day something had changed that Merrin could not fully account for: his hands had known things they had not known before. Not things he had been trained to do. Things he had never been trained to do, but which his hands had performed as if the training had happened somewhere he could not remember it happening.

She read to the end of the entry. Then she read the crucial sentences again.

She looked up from the notebook. Corin was watching her with the contained quality she had come to recognize as his version of full attention -- very still, very present, receiving rather than projecting.

"Listen to this," she said.

He was already listening. She could see that he was already listening.

She read aloud: "My hands change before my memory does. I know what I made. I cannot make it again."

She set the notebook down on the table. She looked at it. She looked at him.

"I think that's a description of aging," she said. "A craftsperson's experience of skill loss -- the way the hands deteriorate before the knowledge does. It's a striking way to phrase it." She looked back at the entry. "The before is interesting. Not after. The hands go first and the memory stays intact. Is that typical? In craft skill loss generally?"

"Sometimes," he said.

"He seems quite precise about the sequence. The hands change first, then -- presumably -- the memory eventually follows." She turned to the next entry. "The following week's entry is very different in tone. He's describing a different kind of work entirely. He was a smith but this week he's describing a technique that isn't smithing."

Corin was silent.

"A weaving technique," she said, reading. "He's describing it as if he knew it completely. Not as if he had learned it recently -- as if it had always been there and he had simply not accessed it before." She looked up. "That's unusual."

"Yes," Corin said.

Something in his voice -- the single word, and the quality of it -- made her look at him more carefully. He was looking at the notebook. His hands, which had been folded on the table, had moved: one now lay flat on the table's surface, pressing down slightly, the way hands pressed when they were keeping themselves still.

"Can I look at it?" he asked.

She pushed the notebook toward him.

He took it. He held it the way she had seen him hold fragile objects: two hands, correctly distributed weight, the precise care that came from knowing exactly what something needed. He opened it to the February 18 entry. He read it.

She watched his face.

She had been watching his face for three weeks. She had become, in those three weeks, reasonably competent at reading the surface register of his expressions, which were sparse but not absent. What she saw now was not the neutral he maintained in the reading room. It was something underneath the neutral, something that the neutral was usually in place to contain: a quality of recognition. Not the intellectual recognition of understanding a new fact. The interior recognition of encountering something that reflected you back at yourself.

He turned to the next entry. Read. Turned to the one after.

Then he closed the notebook.

He did not put it down immediately. He held it for a moment with both hands, and the quality of the holding was the same quality she had seen in his hands when he had tested the lock mechanism -- the hands knowing something that the face was not displaying. Then he set it carefully on the table.

"The paper needs treatment before the later pages are read," he said. "The acid content is elevated on the back half. I'll get the materials from the manuscript room."

He stood up and left the reading room.

---

She heard his footsteps on the staircase going down, and then the sound of the door to the manuscript room opening. And then nothing for some time.

She sat with the notebook open to the February 18 entry and reread it.

My hands change before my memory does. I know what I made. I cannot make it again.

She had said it was a description of aging. She had offered the interpretation and watched for his reaction and had seen the recognition in his face before he moved to the careful neutral. She was now revising her interpretation.

It was not a description of aging.

A description of aging would not use before. A description of aging would not be followed immediately by a week in which the hands knew a different thing entirely. A description of aging described a decline. This described a change. The language was precise and the precision was not consistent with the metaphor she had assigned to it.

She opened the research notebook and wrote: Merrin, J. -- Feb 18 1891 entry. "My hands change before my memory does." NOT a description of gradual skill loss. Description of abrupt change. Hands acquire new knowledge AND lose previous. Memory of previous intact. Next entry: different skill entirely, described as complete knowledge rather than learning.

She wrote below: This is the same pattern I have documented in C.A. over three weeks.

She looked at those two lines next to each other.

She did not write the conclusion yet. She was not ready to write the conclusion without the rest of the evidence. But the two lines next to each other on the page had a quality of convergence that she was very familiar with from long experience: the moment when two separate research threads arrived at the same point, not by coincidence but because they were describing the same thing from different angles.

Corin's footsteps on the stairs. The manuscript room door. And then he was back in the doorway of the reading room, carrying the archival treatment supplies with the particular care of someone who had gone to get something specific and was returning with it.

He sat down. He opened the treatment kit. He did not look at her immediately.

"I should photograph the first fifteen pages before treatment," she said. "Can you hold the notebook at the appropriate angle while I photograph?"

"Yes," he said.

She got her camera from the satchel. She set up for the photography. They worked through the first fifteen pages together -- she angled the camera, he held the notebook, the light from the winter windows falling across the pages at the right angle to bring up the faded ink. Page by page. Entry by entry. His hands completely steady.

She was aware, in a peripheral and careful way, that his hands were very close to hers during this process. That the holding of the notebook required a particular positioning and that in this positioning their hands were within a few centimeters of each other for the duration of each photograph. She was aware of this and did not remark on it and continued photographing.

When they had finished she said: "Thank you."

He returned the notebook to the box with the careful handling it required.

She looked at him across the table. He looked back. The quality of his look was different from how it had been in the morning: something had happened in the manuscript room, or in the hallway before the manuscript room, and whatever had happened had shifted the balance of what he was holding and what he was setting down.

"I know what the entry is describing," she said. "Not metaphorically. Literally. I know what kind of change produces that description."

He looked at her for a long moment.

"I think you do," he said.

"I'm not going to ask you to explain it right now."

Another silence. In it, she could see him deciding something -- the calculation completing, a column adding up to a result.

"All right," he said.

"But I will ask eventually."

"I know."

The reading room was quiet. The February light was doing its measured work across the table. The Merrin notebook lay in its box, its entries photographed, its pages treated, its particular testimony about what had happened to one person in Alderheath in 1891 now existing in both the original and in Mira's camera, waiting for someone with the right questions to ask what it meant.

She opened her research notebook to the cross-guild membership timeline and returned to work. He opened his assessment folder. They worked in the reading room through the afternoon, the same working quiet as always, and it was the same and it was not the same, and both of them knew it, and neither of them said anything else about it until the archive closed and they filed out into the early evening, and Tessa said good night from behind the front desk in her particular manner, and the door closed behind them.

She had not told him that night what she had written in the research notebook. He had not offered to tell her what had happened in the manuscript room hallway. They had parted in the lane outside Archive House and walked in opposite directions, and the particular silence of the parting had the quality of a held breath: something had expanded and had not yet decided whether to stay expanded.

---

He had stood in the hallway for eleven minutes.

He knew it was eleven minutes because when he went to the manuscript room he had glanced at the wall clock out of habit -- the automatic time-checking of someone who tracked intervals closely -- and when he returned to the reading room he had glanced at it again. Eleven minutes. It had felt longer and also like no time at all.

What had happened in the hallway was difficult to describe in the terms he usually used for events in the Ledger, which were clinical and factual and useful precisely because they were not elaborate. He had stood against the cold stone wall. He had breathed. He had held the fact of the notebook entry in his mind the way you held a very fragile thing when you had just picked it up and had not yet decided where to put it.

My hands change before my memory does.

The sentence was seventy-three weeks of his life, compressed into eleven words. Not compressed -- that was not the right word either, because compression implied that the eleven words contained less than the seventy-three weeks, when in fact they might contain more. The eleven words were the shape of it. The seventy-three weeks were the experience of it. J. Merrin had found the shape first, a hundred and thirty-five years before Corin had needed it.

He had thought, in the hallway, about what it meant that the shape existed.

It meant he was not the first. Not the only person who had stood in a workshop on a Monday morning with different hands than he had stood there the Monday before, the previous week's knowing gone and the new week's knowing arriving like a tide that followed its own schedule with complete indifference to what the person on the beach might prefer. Not the only person who had kept a record of this, who had tried to find language for it in a notebook that was meant primarily for himself.

Not the only person who had eventually needed to let someone else read the notebook.

This was the part he had not considered before, and which he found himself considering in the eleven minutes in the hallway with his back against the wall and the treatment supplies in his hands and Mira Solenne in the reading room with the notebook open on the table.

J. Merrin had written the notebook. The notebook had ended up in an archive. Someone -- Tessa, or someone before Tessa, or several people across the decades -- had preserved it with the care that fragile materials required. And now a researcher who had come to Alderheath looking for evidence of the Halvern-associated members had requested it and was reading it and had just read the sentence that was the shape of Corin's life and had looked at him over the notebook with the expression he had been watching her develop for three weeks, the expression that was building toward a question she was not yet asking.

J. Merrin had needed someone to understand.

Corin did not let himself follow that thought all the way to its conclusion. He was still not ready. But he let himself see that the thought was there, and that it had the shape of something real rather than something he was constructing to want.

He went back to the reading room.

---

The photography had been its own kind of experience.

He had not anticipated that. He had agreed to hold the notebook while she photographed because it was the practical solution -- she needed both hands for the camera, the notebook needed to be held at a specific angle to the window light, and there was no stand available that would have worked for a notebook of this size and fragility. The arrangement was entirely practical.

And yet.

His hands had been very close to hers for the duration of twenty photographs. He had held the notebook at the correct angle, adjusting slightly when she signaled adjustment, and in the process of adjusting he had been aware of the position of her hands relative to his with a precision that had nothing to do with the notebook and everything to do with the fact that he had been managing a careful distance for three weeks and the management suddenly required more active effort than it had before.

He had thought, briefly and without acting on the thought: her hands are warm.

He had thought this because he could feel the warmth of them nearby without touching, the way you felt the warmth of a fire from several feet away in a cold room. The archive was cold in the particular way of stone buildings in February. His hands were cold. Hers were not. He noticed this, and filed it, and continued holding the notebook at the correct angle.

When they had finished, she had said thank you. He had returned the notebook to the box.

He had looked at her across the table and she had told him, with the specific directness that was her manner in moments that mattered, that she knew what the Merrin entry was describing. That she was not going to ask him to explain it right now but that she would eventually. He had heard in that eventually the same word he had used internally for the crossed-out fifth term in the working protocol: not never, not now, but in a time and condition that was coming rather than standing still.

He had said all right. He had meant it.

He had walked home through the clear February evening thinking about J. Merrin and the notebook and the eleven-word shape of a thing that had taken seventy-three weeks to live. He had thought about eventually and what it might mean for him to meet it.

He opened the Ledger when he got home. He wrote the day's entry in the clinical manner he always used for Ledger entries: date, cycle number, day within cycle, notable observations. Then, at the bottom of the entry, in smaller writing, he wrote something that was not clinical: She read the Merrin notebook. She knows. She is waiting for me to be ready to say it.

He looked at that sentence for a long time.

He did not cross it out. He closed the Ledger and put it on the shelf and went to bed in the clear cold of a February night in Alderheath, with the river running below and Halvern Ridge against the dark sky and J. Merrin's eleven words sitting somewhere in his mind, doing whatever words did when they had been the right words all along.

You've reached the end of this chapter

Chapter 09

Chapter 9: The First Record

Chapter 9: The First Record

Tessa had the Merrin materials ready on Thursday morning: a flat archival box containing three items, which she set on the reading room table without comment and then left. The three items were a ledger of accounts, a correspondence file, and a smaller personal notebook with a water-damaged cover that had buckled along the spine from moisture at some point in its history and had been stabilized but not fully restored.

Corin was already in the reading room when Mira arrived. He was not pretending to work -- he had his assessment folder but it was closed, his pen capped, his hands folded on the table with the particular quality of someone who has arrived at a moment they have been approaching for some time and is now waiting for the moment to begin.

She sat across from him. She looked at the box.

"The personal notebook first," she said.

"Yes."

She opened the box and took it out.

The notebook was smaller than she had expected -- pocket-sized, the kind that could be carried easily, the leather cover thin and soft with age. The water damage had warped the back cover and the last twenty or so pages, the ink there faded in a way that would require careful photography before it could be read comfortably. The early pages were better. She opened to the first page and read the inscription: J. Merrin, Alderheath, began November 1890.

She turned to the first entry.

The handwriting was careful and regular, the hand of someone who had been taught penmanship properly and who still wrote with the quality of care that early formal training produced even in casual personal records. The first entry was dated November 12, 1890, and described the week's work in the smithing guild with the specificity of a craftsperson who understood that his observations had value: the particular piece he had been working on, the technique, the result, the way the result had felt in his hands.

She read the first page, then the second. Standard workshop diary, the kind of personal record that craftspeople kept in this period. She turned to the third page.

The entry dated February 18, 1891 began differently.

She slowed her reading.

The entry described a week in the same careful handwriting but in a different register -- the register of someone writing about something they were not certain how to describe. The week had begun normally. Then on the third day something had changed that Merrin could not fully account for: his hands had known things they had not known before. Not things he had been trained to do. Things he had never been trained to do, but which his hands had performed as if the training had happened somewhere he could not remember it happening.

She read to the end of the entry. Then she read the crucial sentences again.

She looked up from the notebook. Corin was watching her with the contained quality she had come to recognize as his version of full attention -- very still, very present, receiving rather than projecting.

"Listen to this," she said.

He was already listening. She could see that he was already listening.

She read aloud: "My hands change before my memory does. I know what I made. I cannot make it again."

She set the notebook down on the table. She looked at it. She looked at him.

"I think that's a description of aging," she said. "A craftsperson's experience of skill loss -- the way the hands deteriorate before the knowledge does. It's a striking way to phrase it." She looked back at the entry. "The before is interesting. Not after. The hands go first and the memory stays intact. Is that typical? In craft skill loss generally?"

"Sometimes," he said.

"He seems quite precise about the sequence. The hands change first, then -- presumably -- the memory eventually follows." She turned to the next entry. "The following week's entry is very different in tone. He's describing a different kind of work entirely. He was a smith but this week he's describing a technique that isn't smithing."

Corin was silent.

"A weaving technique," she said, reading. "He's describing it as if he knew it completely. Not as if he had learned it recently -- as if it had always been there and he had simply not accessed it before." She looked up. "That's unusual."

"Yes," Corin said.

Something in his voice -- the single word, and the quality of it -- made her look at him more carefully. He was looking at the notebook. His hands, which had been folded on the table, had moved: one now lay flat on the table's surface, pressing down slightly, the way hands pressed when they were keeping themselves still.

"Can I look at it?" he asked.

She pushed the notebook toward him.

He took it. He held it the way she had seen him hold fragile objects: two hands, correctly distributed weight, the precise care that came from knowing exactly what something needed. He opened it to the February 18 entry. He read it.

She watched his face.

She had been watching his face for three weeks. She had become, in those three weeks, reasonably competent at reading the surface register of his expressions, which were sparse but not absent. What she saw now was not the neutral he maintained in the reading room. It was something underneath the neutral, something that the neutral was usually in place to contain: a quality of recognition. Not the intellectual recognition of understanding a new fact. The interior recognition of encountering something that reflected you back at yourself.

He turned to the next entry. Read. Turned to the one after.

Then he closed the notebook.

He did not put it down immediately. He held it for a moment with both hands, and the quality of the holding was the same quality she had seen in his hands when he had tested the lock mechanism -- the hands knowing something that the face was not displaying. Then he set it carefully on the table.

"The paper needs treatment before the later pages are read," he said. "The acid content is elevated on the back half. I'll get the materials from the manuscript room."

He stood up and left the reading room.

---

She heard his footsteps on the staircase going down, and then the sound of the door to the manuscript room opening. And then nothing for some time.

She sat with the notebook open to the February 18 entry and reread it.

My hands change before my memory does. I know what I made. I cannot make it again.

She had said it was a description of aging. She had offered the interpretation and watched for his reaction and had seen the recognition in his face before he moved to the careful neutral. She was now revising her interpretation.

It was not a description of aging.

A description of aging would not use before. A description of aging would not be followed immediately by a week in which the hands knew a different thing entirely. A description of aging described a decline. This described a change. The language was precise and the precision was not consistent with the metaphor she had assigned to it.

She opened the research notebook and wrote: Merrin, J. -- Feb 18 1891 entry. "My hands change before my memory does." NOT a description of gradual skill loss. Description of abrupt change. Hands acquire new knowledge AND lose previous. Memory of previous intact. Next entry: different skill entirely, described as complete knowledge rather than learning.

She wrote below: This is the same pattern I have documented in C.A. over three weeks.

She looked at those two lines next to each other.

She did not write the conclusion yet. She was not ready to write the conclusion without the rest of the evidence. But the two lines next to each other on the page had a quality of convergence that she was very familiar with from long experience: the moment when two separate research threads arrived at the same point, not by coincidence but because they were describing the same thing from different angles.

Corin's footsteps on the stairs. The manuscript room door. And then he was back in the doorway of the reading room, carrying the archival treatment supplies with the particular care of someone who had gone to get something specific and was returning with it.

He sat down. He opened the treatment kit. He did not look at her immediately.

"I should photograph the first fifteen pages before treatment," she said. "Can you hold the notebook at the appropriate angle while I photograph?"

"Yes," he said.

She got her camera from the satchel. She set up for the photography. They worked through the first fifteen pages together -- she angled the camera, he held the notebook, the light from the winter windows falling across the pages at the right angle to bring up the faded ink. Page by page. Entry by entry. His hands completely steady.

She was aware, in a peripheral and careful way, that his hands were very close to hers during this process. That the holding of the notebook required a particular positioning and that in this positioning their hands were within a few centimeters of each other for the duration of each photograph. She was aware of this and did not remark on it and continued photographing.

When they had finished she said: "Thank you."

He returned the notebook to the box with the careful handling it required.

She looked at him across the table. He looked back. The quality of his look was different from how it had been in the morning: something had happened in the manuscript room, or in the hallway before the manuscript room, and whatever had happened had shifted the balance of what he was holding and what he was setting down.

"I know what the entry is describing," she said. "Not metaphorically. Literally. I know what kind of change produces that description."

He looked at her for a long moment.

"I think you do," he said.

"I'm not going to ask you to explain it right now."

Another silence. In it, she could see him deciding something -- the calculation completing, a column adding up to a result.

"All right," he said.

"But I will ask eventually."

"I know."

The reading room was quiet. The February light was doing its measured work across the table. The Merrin notebook lay in its box, its entries photographed, its pages treated, its particular testimony about what had happened to one person in Alderheath in 1891 now existing in both the original and in Mira's camera, waiting for someone with the right questions to ask what it meant.

She opened her research notebook to the cross-guild membership timeline and returned to work. He opened his assessment folder. They worked in the reading room through the afternoon, the same working quiet as always, and it was the same and it was not the same, and both of them knew it, and neither of them said anything else about it until the archive closed and they filed out into the early evening, and Tessa said good night from behind the front desk in her particular manner, and the door closed behind them.

She had not told him that night what she had written in the research notebook. He had not offered to tell her what had happened in the manuscript room hallway. They had parted in the lane outside Archive House and walked in opposite directions, and the particular silence of the parting had the quality of a held breath: something had expanded and had not yet decided whether to stay expanded.

---

He had stood in the hallway for eleven minutes.

He knew it was eleven minutes because when he went to the manuscript room he had glanced at the wall clock out of habit -- the automatic time-checking of someone who tracked intervals closely -- and when he returned to the reading room he had glanced at it again. Eleven minutes. It had felt longer and also like no time at all.

What had happened in the hallway was difficult to describe in the terms he usually used for events in the Ledger, which were clinical and factual and useful precisely because they were not elaborate. He had stood against the cold stone wall. He had breathed. He had held the fact of the notebook entry in his mind the way you held a very fragile thing when you had just picked it up and had not yet decided where to put it.

My hands change before my memory does.

The sentence was seventy-three weeks of his life, compressed into eleven words. Not compressed -- that was not the right word either, because compression implied that the eleven words contained less than the seventy-three weeks, when in fact they might contain more. The eleven words were the shape of it. The seventy-three weeks were the experience of it. J. Merrin had found the shape first, a hundred and thirty-five years before Corin had needed it.

He had thought, in the hallway, about what it meant that the shape existed.

It meant he was not the first. Not the only person who had stood in a workshop on a Monday morning with different hands than he had stood there the Monday before, the previous week's knowing gone and the new week's knowing arriving like a tide that followed its own schedule with complete indifference to what the person on the beach might prefer. Not the only person who had kept a record of this, who had tried to find language for it in a notebook that was meant primarily for himself.

Not the only person who had eventually needed to let someone else read the notebook.

This was the part he had not considered before, and which he found himself considering in the eleven minutes in the hallway with his back against the wall and the treatment supplies in his hands and Mira Solenne in the reading room with the notebook open on the table.

J. Merrin had written the notebook. The notebook had ended up in an archive. Someone -- Tessa, or someone before Tessa, or several people across the decades -- had preserved it with the care that fragile materials required. And now a researcher who had come to Alderheath looking for evidence of the Halvern-associated members had requested it and was reading it and had just read the sentence that was the shape of Corin's life and had looked at him over the notebook with the expression he had been watching her develop for three weeks, the expression that was building toward a question she was not yet asking.

J. Merrin had needed someone to understand.

Corin did not let himself follow that thought all the way to its conclusion. He was still not ready. But he let himself see that the thought was there, and that it had the shape of something real rather than something he was constructing to want.

He went back to the reading room.

---

The photography had been its own kind of experience.

He had not anticipated that. He had agreed to hold the notebook while she photographed because it was the practical solution -- she needed both hands for the camera, the notebook needed to be held at a specific angle to the window light, and there was no stand available that would have worked for a notebook of this size and fragility. The arrangement was entirely practical.

And yet.

His hands had been very close to hers for the duration of twenty photographs. He had held the notebook at the correct angle, adjusting slightly when she signaled adjustment, and in the process of adjusting he had been aware of the position of her hands relative to his with a precision that had nothing to do with the notebook and everything to do with the fact that he had been managing a careful distance for three weeks and the management suddenly required more active effort than it had before.

He had thought, briefly and without acting on the thought: her hands are warm.

He had thought this because he could feel the warmth of them nearby without touching, the way you felt the warmth of a fire from several feet away in a cold room. The archive was cold in the particular way of stone buildings in February. His hands were cold. Hers were not. He noticed this, and filed it, and continued holding the notebook at the correct angle.

When they had finished, she had said thank you. He had returned the notebook to the box.

He had looked at her across the table and she had told him, with the specific directness that was her manner in moments that mattered, that she knew what the Merrin entry was describing. That she was not going to ask him to explain it right now but that she would eventually. He had heard in that eventually the same word he had used internally for the crossed-out fifth term in the working protocol: not never, not now, but in a time and condition that was coming rather than standing still.

He had said all right. He had meant it.

He had walked home through the clear February evening thinking about J. Merrin and the notebook and the eleven-word shape of a thing that had taken seventy-three weeks to live. He had thought about eventually and what it might mean for him to meet it.

He opened the Ledger when he got home. He wrote the day's entry in the clinical manner he always used for Ledger entries: date, cycle number, day within cycle, notable observations. Then, at the bottom of the entry, in smaller writing, he wrote something that was not clinical: She read the Merrin notebook. She knows. She is waiting for me to be ready to say it.

He looked at that sentence for a long time.

He did not cross it out. He closed the Ledger and put it on the shelf and went to bed in the clear cold of a February night in Alderheath, with the river running below and Halvern Ridge against the dark sky and J. Merrin's eleven words sitting somewhere in his mind, doing whatever words did when they had been the right words all along.

You've reached the end of this chapter