#1 international bestselling author Linwood Barclay's novels have been praised as "compelling" (The Associated Press), "gripping" ( The Wall Street Journal ), and "fast-paced" ( The Washington Post ). Now, Barclay returns with a thrilling story in which two brothers suddenly find themselves pulled into a frightening vortex of power and murder... Thomas Kilbride is a map-obsessed schizophrenic so affected that he rarely leaves the self-imposed bastion...