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She could hear nothing but the wind against the windows, and the rooms were cold, the candles and hearths unlit. Grandier had not come back here, then.
Kade returned to the study and started her frantic search. The simplest hiding places were the best. It seemed like a year ago, but the morning that she had stood on the windows and spoken to him, he had been planning to let the Host in that very night. It wasn't Galen who betrayed you, she reminded herself. It was Urbain Grandier the murderer.
She went to the desk and opened all the drawers and looked through the first layer of papers. They were covered with crabbed half-completed calculations, none of which she could follow for more than a few steps. The books on the desk were Theater of Terrestrial Alchemy and The Black Keys; nothing illuminating there.
She moved around the room, scanning the shelves, shifting books, looking under chair cushions, then turned to the leatherbound chest on the floor. It had books stacked atop it but not much dust compared with the rest of the room, and she remembered that he had just finished putting something in it when she had come to the window the first time.
Kade kneeled beside the chest and lifted the books from the top. It wasn't even locked. She opened it and was disappointed by the sight of perfectly ordinary folded linens and fustian blankets.
Then she moved the top layer aside. It lay on a bed of cloth, a stone from the bottom of some streambed, rounded and smoothed by water, small enough to fit comfortably in her two cupped hands. The keystone was inert and silent now.
She picked it up, marveling at the symbols, letters, and equations incised into its surface. They started out blocky and large enough to read, then shrank as they wound around the stone, some obviously formed by different hands, becoming so tiny they might have been carved with a jeweler's knife, ultimately shrinking until they disappeared from sight. Kade blinked and shook he