The sign went up on a Thursday.

The sign-painter had been Sarya's choice, the same person who had repainted the Veyr Map Shop sign five years ago when the weather had worn the original down to illegibility. She had given him the design: VEYR AND SAEL, and underneath in smaller letters: Cartography and Navigation. The same typeface as the original. Different words.

Kavian had watched it go up from inside the shop, through the front window, which was the appropriate vantage point. Not outside managing it. Inside, watching it become real.

When the sign-painter was done and gone, Sarya stood in front of the shop and looked at it.

He came out and stood beside her.

The sign was correct. The letters were even, the spacing matched the original's proportion, the typeface was right. It said what it was and was what it said.

"Good," she said.

"Yes," he said.

They went back in and made tea.

Nahla appeared at midmorning, as she always appeared when something significant had happened, with the timing of someone who had known before she arrived. She looked at the sign through the window and then at the two of them and said: "Better. It should have said that for a while."

"We weren't ready for a while," Sarya said.

"You were ready for the last month," Nahla said. "But readiness and doing are different things and you needed the doing to come in its own time." She sat down. "Tea."

Sarya made tea.

The morning continued. Nahla stayed for an hour and told them what the guild quarter was saying about the sign, the usual mix of curiosity and adjustment that new things produced, the specific social metabolism of a neighborhood processing change. The map shop had been the Veyr Map Shop since Sarya's grandfather's time. The new sign was noticed.

"People will ask," Nahla said.

"People can ask," Sarya said. "The answer is in the record, which anyone can access now."

"Some of them won't know about the record. Some of them will know the old version of the story."

"Then they'll learn the new one." Sarya looked at the sign through the window. "That's what new information does. It updates the existing picture."

Nahla drank her tea with satisfaction.

After Nahla left, the morning was the morning and the work was the work and everything was in the ordinary register that the shop had settled into. The coastal methodology second draft. The acoustic map's western harbor section. A restoration commission that had come in the previous week, a client who had a nineteenth-century survey map that needed re-backing and minor pigment restoration.

Sarya was working on the restoration commission when the guild network message arrived.

Not a letter. A specific kind of message, the urgent flag that the guild's communication system used for time-sensitive information. It came through the guild quarter's message post, which meant it had been routed through official channels rather than the merchant network.

She read it.

Damar Voss had filed a commercial survey commission through the guild's eastern registry. The commission was registered as "commercial terrain survey, eastern approaches, Saharyn adjacent." The departure date was four weeks from now. The navigation team was named: two senior pathfinders from the eastern register, and a frequency navigation specialist.

A frequency navigation specialist.

She read that part twice.

Kavian, across the table, looked up. "What is it?"

She handed him the message.

He read it. His expression did not change in the dramatic way. It changed in the small way, the internal reorganization of a person who has received information that changes the assessment of the situation.

"Frequency navigation specialist," he said.

"Yes."

"Where did he find one?" Not rhetorical, a genuine question about the mechanism. The frequency navigation methodology was not widely known. The guild's certification curriculum for it was newly established. There were currently three certified frequency navigation specialists in the guild's registry, and all three of them were people Sarya knew.

"I don't know," she said. "But if he has someone who claims the specialty, "

"Claims," Kavian said. "Not necessarily has. Someone who has read about it, who understands the principles from the documentation that's in the public record from the correction process." He set the message down. "The public record includes enough of the methodology overview that someone with strong pattern recognition could build a partial approach. Not the full composite calibration. Enough to navigate the outer sections."

"The outer sections aren't the problem," she said. "The inner sections are."

"Yes." He looked at the message. "But Damar doesn't know that. He thinks if his team can navigate the outer sections using the frequency method, they can reach the inner approach. He doesn't know the inner approach requires full composite calibration."

Sarya thought about this. Damar's team reaching the outer sections was not the risk, the outer sections were, by definition, survivable with the right preparation. The risk was what happened if they reached the inner approach and discovered they couldn't proceed. Or worse, tried to proceed without the full calibration.

"If they attempt the inner approach without proper calibration," she said.

"They'll get lost," he said. "The inner approach without composite calibration, the signals become contradictory. You can't distinguish the true bearing from interference. It's not immediately dangerous but it's disorienting in ways that can become dangerous if the team doesn't have the discipline to stop when they should."

Sarya thought about discipline. Damar, who had aborted his first attempt because his guide had had the discipline to stop. With a different team, one that believed it had the methodology, the discipline to stop might not be present.

"He's going to hurt his team," she said.

"Possibly," Kavian said. "The team are professional pathfinders. They'll have their own judgment about conditions. But Damar is the client and clients affect team decisions." He paused. "We should tell Yorr. The commission is through the eastern registry, she may be able to flag it for additional oversight review."

"That buys time," Sarya said. "Not indefinitely. And if he's already filed the commission through official channels, the guild's ability to block it is limited." She looked at the message. "He's getting cleverer. The first attempt was informal, a private expedition, no commission filing. This one is official, with a registered team, through proper channels. Harder to stop without specific grounds."

"We have specific grounds," Kavian said. "The public documentation of the inner approach conditions. If the guild's registry sees that the commission team is claiming frequency navigation competency but the certification records don't support a fully calibrated specialist, that's a documentation discrepancy."

Sarya thought about the certification records. Three certified specialists, all known to her. None of them would work for Damar, she was certain enough of that. Which meant his "specialist" was uncertified or falsely credentialed.

"I'll check the eastern registry's certification records," she said. "If the specialist he's listed doesn't match the guild's certified registry, "

"Flag it immediately," Kavian said. "That's material misrepresentation in a commission filing. Grounds for suspension of the commission pending review."

Sarya was already writing. The message to Yorr's office, the request for certification record cross-reference, the specific grounds for flagging.

Kavian watched her write and said nothing. This was the right task division: she had the institutional knowledge and the relationships, she handled the documentation action.

He was already looking at the window, not the guild quarter street, the direction of the harbor. Thinking, she knew, about the eastern routes and the approach corridors and what Damar's team would encounter if they reached the outer sections with insufficient preparation.

"If the certification flag doesn't stop him," she said, still writing.

"Then we think about what does," he said. "But we start with what we have." A pause. "And we write to Tessa. She monitors the Ralun supply network, if Damar is equipping for an Expanse crossing, he'll be using the trade route infrastructure."

"Two letters today," she said. "Yorr and Tessa."

"Yes."

She finished the first letter and started the second.

The restoration commission was still on the worktable, half-done. The acoustic map documentation was beside it. The sign outside said what it said.

The work had interrupted the work.

This was also part of it, the ongoing nature of things, the way a new problem arrived before the current ones were fully resolved. She had not expected the Damar situation to close cleanly. She had expected it to continue in the specific way of problems that were driven by the specific logic of a man who did not believe that the thing he wanted was unavailable to someone with sufficient resources.

She was not afraid of the continuation.

She wrote the second letter and sent both.

The afternoon resumed.

The compass on the collection wall was cool.

She would address what arrived when it arrived.

Forward.

Yorr's response came the following morning.

The certification cross-reference had produced exactly what Sarya had expected: the frequency navigation specialist listed in Damar's commission filing had no certification in the guild's registry. He was listed as a "navigational consultant", a category that required no certification and had no formal competency standards. The frequency navigation claim was in the commission's supporting documentation, not the official filing itself, which meant it was not subject to the same verification requirements.

Yorr was precise about the situation: the formal grounds for suspension were thin. The commission filing itself was technically correct. The supporting documentation's claim about frequency navigation competency was not a formal representation for guild purposes. She could flag it for review, which would delay the departure by two to three weeks, but not block it.

Two to three weeks was not enough.

Sarya read the response and set it down.

Kavian, who had been reading the coastal methodology draft on his side of the table, looked up. "She flagged it."

"Two to three weeks delay." Sarya looked at the window. "Not enough."

"No," he agreed.

Tessa's response arrived that afternoon through the fast caravan network. Tessa had been watching Damar's supply acquisition, she had heard about the commission filing from her own network sources before Sarya's letter arrived. The supply order was consistent with an Expanse crossing: frequency navigation instruments had been purchased through a coastal supplier, the kind that were available commercially and were close to but not identical to the professional-grade instruments the guild used.

Tessa added one line at the end: He's bought books. Old ones. The archive seller in Ralun sold him three volumes on Expanse frequency theory from before the guild's navigation certification program existed. The books have some of the right principles. Not the full methodology.

Sarya read this and thought about books. Old frequency theory, pre-guild. Enough to understand what the methodology was doing without the field calibration that made it actually work. Someone who had read those books would believe they understood the approach. They would be wrong in the specific way that partial understanding was wrong, confident, committed to their interpretation, resistant to correction.

This was the specific danger of Damar's situation.

"His specialist," she said to Kavian. "Didn't learn from someone. Learned from books. Old ones."

Kavian was quiet for a moment. "The books that predate the composite calibration model. The ones that describe frequency navigation as a single-signal system rather than a three-signal composite."

"Yes."

"A single-signal navigator in the inner approach," he said slowly, "would follow one frequency and lose the other two. The composite is what makes the inner approach navigable, the relationship between the three signals provides the orientation. A single-signal reader would be receiving a third of the information they needed to determine their actual position."

"They'd think they were on course," Sarya said. "Following a real frequency. Believing it was the approach. And they'd be wrong by the amount that one signal deviates from the composite bearing."

"Which is twenty to thirty degrees in the inner sections," he said. "Enough to walk past the approach entirely. Or into the disorientation zone."

Sarya thought about the disorientation zone, the inner section where the signal interference was at its most complex, where the composite calibration was what kept a navigator from being turned around without knowing it. She had experienced the edges of it during her crossing, with Kavian's guidance and the full calibration. She had felt the specific vertigo of contradictory signals and known how to resolve it because she had the full method.

Damar's specialist would not know how to resolve it.

"What happens to someone in the disorientation zone without composite calibration?" she said.

"They get turned around," he said. "Usually they exit the zone in the direction they came from without realizing it. The zone ejects you, it doesn't trap you. But it can take hours, and in those hours if the team doesn't have the discipline to stay together, "

"They separate," she said.

"Yes. Separated people in the inner sections, without composite calibration, following one signal each, that's how people don't come back from the Expanse."

She sat with this.

Damar had the resources and the confidence and the partially-correct information that made him believe he could do what no one without the full methodology could safely do. And he had a team of professional pathfinders who would follow a client's commission into conditions they didn't understand were dangerous.

"We have to stop him," she said.

"Yes," Kavian said.

"Not because of the archive," she said. "Because his team will die." She looked at Kavian. "The archive can protect itself, we've seen that. But his team are people who are being hired under false pretenses about the navigation methodology they'll be working with."

"Yes," he said again. "The grounds for stopping him are the safety of the commissioned team, not the protection of the archive. That's the argument Yorr will be able to act on."

"Then that's the argument I write," she said.

She was already pulling paper.

Kavian moved his chair to her side of the table without being asked, the collaborative position, present to help rather than watching from across the space.

"Tell me the specific navigation failure modes," she said. "In technical language I can put in the safety argument. Yorr needs to understand exactly what the risk is and why the listed methodology is insufficient."

"Single-signal navigation in the inner Expanse approach," he said, and began.

She wrote as he described. Technical, specific, the specific language of someone who had made the crossing and understood exactly what was dangerous and why. She turned his descriptions into the formal argument structure the guild needed.

They worked through the afternoon. By evening, the safety case was done.

She read it back.

It was the most important document she had written since the original correction account, different in kind, but the same in purpose: putting the accurate information in front of the people who needed it so the right decision could be made.

She sent it to Yorr with the urgent flag.

Kavian made dinner.

She sat at the worktable after eating and looked at the commission document alongside the safety case and thought about Damar. Not the archive, not the methodology, the specific man who had been trying to acquire something he believed could be acquired because he had the resources to acquire things. Who had not yet encountered the thing that was genuinely beyond his reach not because of cost but because of what it actually was.

He was going to find out.

She hoped he found out without taking his team with him into the discovery.

The compass was cool.

She would know in the morning what Yorr could do with the safety case.

Forward.

The night after the safety case was sent, she didn't sleep well.

Not because of anxiety, she had done what she could do and the rest was Yorr's to act on and she understood this. Something else kept her awake: the specific quality of a problem that was not fully resolved.

She lay in the dark and listened to the city's frequencies and thought about Damar's team.

Two senior pathfinders from the eastern register. She didn't know them. They might be good, eastern register pathfinders were generally experienced, the eastern routes demanding enough that incompetents didn't survive long in the professional tier. They were probably exactly what a client with resources would hire: capable, professional, likely to push through difficult conditions because that was what experienced pathfinders did.

That was the danger. The capable, professional pathfinder who trusted their competency and their client's claimed methodology would push where the competency was real and the methodology was not. They would follow the wrong bearing with confidence.

She thought about the disorientation zone again. She thought about the specific feeling of it, the signal contradiction, the way the body tried to find orientation in information that was insufficient. She had had the full calibration and Kavian beside her, and she had still felt the pull of it. The way it wanted to convince you that you were oriented when you weren't.

She got up.

The shop was dark and the maps were on the walls and the compass was on the collection wall. She didn't light a lamp, the city's ambient light through the windows was enough to see by.

She went to the worktable and looked at the incomplete Expanse chart.

The inner section was blank. The outer sections documented. The corridor system, the approach, the disorientation zone, all unrecorded, all existing only in the field notes and the methodology documentation and her own calibrated memory.

If the chart were complete, anyone looking at it could see what was there. Could see the specific geography of the inner approach and understand why the single-signal method was inadequate. Could see the three-signal composite requirement written into the terrain itself.

A completed chart would be the clearest possible safety documentation. Better than any written argument.

She thought about timing. Four weeks until Damar's departure. Two to three weeks of review delay from Yorr's flag. The Expanse chart completion was months of work.

But a partial completion, the inner approach specifically, the section most relevant to the safety argument, might be achievable in weeks rather than months. The field data existed. She had her readings. Kavian had eleven years of additional crossing data. The methodology for integration was established.

Not the full chart. The inner approach section. A specific-purpose document that could be added to the safety argument as visual evidence.

She went back to bed.

In the morning she would tell Kavian. If he thought it was achievable in the timeframe, they would work on it alongside everything else. If not, they would find another approach.

The city frequencies were the night frequencies, low and settled. The compass was on the wall.

She lay in the dark and thought about the inner approach section and what it would show and who needed to see it.

She fell asleep eventually, with the problem partially mapped, which was better than having it unresolved.

In the morning she told Kavian over the kitchen table, before the work began.

He listened. He thought about it properly, the actual thinking, not the quick assessment. She waited.

"Three weeks," he said. "The inner approach section only. Not the full chart, just the section from the corridor entry to the inner threshold. The data exists. The integration methodology is established. We work the inner approach in parallel with everything else." He paused. "It will require the sea cliff sessions to take a back seat, the calibration maintenance can wait three weeks. Everything else continues on its current schedule."

"That's what I thought," she said.

"Then yes," he said. "We start today."

She looked at him across the kitchen table, the morning light on the worktable through the open door, the day not yet begun, the three weeks ahead of them.

"The inner approach section," she said. "Your name goes on it too. You've done the work. It should be attributed correctly."

"Yes," he said.

She nodded.

They started that morning, pulling the field data and beginning the integration framework. The inner approach section of the Varran Expanse chart, the first accurate documentation of a geography that had been blank on every map that had ever included it.

They worked.

The compass was cool.

Forward, and faster now.