The Case (Whittle · Tablo · Reeve)

Reeve always started where the hard evidence lived. She lined up the three witness notes beside the leather logbook. Her eyes moved back and forth between the lines of ink.

"We begin with what independent sources agree on," Reeve said. "Look at witness note one and witness note two."

"They were written by two different people," Tablo noted.

"Exactly," Reeve said. "They live in separate dorms and do not talk to each other. Yet both report seeing a figure moving smoothly in complete darkness. Both say the person knew where every row was without carrying a lamp."

She tapped the center of the page.

"That agreement means something," Reeve said. "When two unlinked sources say the exact same thing, the detail stands. Our intruder knows this library inside and out."

"So we rule out strangers," Tablo said, writing on her slate.

"Hold on," Reeve said. "Look at the disagreement. Witness three claims the figure was tall. But the shelf logbook tells a different story."

Whittle leaned closer. "How so?"

"The logbook shows that three displaced volumes came from shelf level two," Reeve said. "That shelf sits barely four feet above the floor. A tall person would stoop down constantly. A shorter person reaches it standing upright."

"So someone is wrong," Whittle said.

"Either witness three misjudged height in the dark, or tall means something else," Reeve said. "Height is where the accounts argue. That makes height a live question, not an established fact."

She had taken a scattered pile of papers and turned them into two clean facts and one sharp question. She handed the folder across to Tablo.

Tablo pulled her wooden ruler across her slate board. She drew nine rows down the left side for the suspects. Across the top, she created four clear columns for the criteria.

"Facts create boundaries," Tablo said. "Boundaries let us eliminate what cannot be true."

She listed the nine suspects. Then she took her piece of white chalk.

"Reeve proved our target knows the layout cold," Tablo said. "Master Vance has not entered the building in six months."

She drew a crisp white line straight through Master Vance. "Gone."

"Instructor Cleary was at the regional archive all week," she continued. "Three stamped receipts prove her location."

Another white line cut across the slate. "Gone."

"Student Miller has no night access key and has failed cataloging twice," she said. "He does not know level two from level eight."

Line by line, the candidates fell away. The visitor from town hall: gone. The night watchman's apprentice: gone. The binder's assistant: gone.

Tablo looked down at her board. Six names were crossed out. Only three remained: Assistant Librarian Aris, Archivist Bryn, and Senior Scholar Cael.

She ran the remaining clues against all three. Key access: yes to all three. Night clearance: yes to all three. Library layout knowledge: yes to all three.

Tablo set her chalk down with a hollow click.

"I am stuck," she admitted. "Every clue we have matches all three people. The grid cannot split a three-way tie."

She had narrowed nine suspects down to three through total elimination. Then her method hit a solid wall.

Whittle sat up, a slow grin spreading across his face. A wall of identical suspects was his favorite kind of puzzle.

"You cannot split them with the clues you already have," Whittle said. "So we find a new clue. And we design that clue to force a split."

He picked up the height question Reeve had flagged earlier.

"Two of your three suspects are tall," Whittle said. "Bryn is five feet eleven. Cael is six feet two. Aris is barely five feet tall."

"We already knew their heights," Tablo said. "It did not help the grid."

"Because you looked at height as a description," Whittle said. "We need to look at height as a physical test."

He stood up and walked over to the tall wooden bookcases behind Deducia's desk.

"The morning report says one misplaced book came from the top shelf," Whittle said. "That shelf sits eight feet off the floor. The rolling brass ladder was locked in the store closet all night."

Reeve caught his point immediately. "A five-foot person cannot reach eight feet without a ladder."

"Exactly," Whittle said. "Aris is five feet tall. Even on tiptoes, Aris cannot reach the top shelf. That single check eliminates Aris on the spot."

Tablo drew a quick line through Aris.

"Now we have two left," Whittle said. "Bryn and Cael."

"They are both tall enough," Tablo said. "How does one cut split two tall people?"

"Look at how they move," Whittle said. "Cael walks with a heavy limp from an old leg injury. To reach an eight-foot shelf without a stool, he has to shift his weight. A man with a bad left leg leaves a distinct drag mark on fresh wax."

He turned to the morning maintenance report.

"The report notes clean floors near the high shelf," Whittle said. "No drag marks anywhere in the aisle."

"That eliminates Cael," Tablo said.

"One good cut beats ten random facts," Whittle said.