The New York Times bestseller, now available in paperback--a disturbing psychological thriller, reminiscent of Shutter Islandand Memento, in which an amnesiac desperately tries to uncover the truth about who she is and who she can trust.

-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...