“Thebest debut novel I’ve ever read.”—Tess Gerritsen,bestselling author of the Rizzoli & Isles series

“Anexceptional thriller. It left my nerves jangling for hours after I finished thelast page.” —Dennis Lehane, New York Times bestselling author of Moonlight Mile

S. J. Watson makes his powerful debutwith this  compelling, fast-paced  psychological thriller,reminiscent of Shutter Island and Memento, in which an amnesiac who,following a mysterious accident, cannot remember her past or form newmemories, desperately tries to uncover the truth about who she is—and whoshe can trust.