NATIONAL BESTSELLER The eccentric detective Ana Dolabra matches wits with a seemingly omniscient adversary in this brilliant fantasy-mystery from the author of The Tainted Cup.

“Wonderfully clever and compulsively readable . . . another winning blend of fantasy and classic detection.”—Publishers Weekly

In the canton of Yarrowdale, at the very edge of the Empire’s reach, a Treasury officer has disappeared into thin air—vanishing from a room within a heavily guarded tower, its door and windows locked from the inside.