Jon Talton staked out the Southwest in his award-winning David Mapstone mysteries. The Washington Post called Concrete Desert, "more intelligent and rewarding than most contemporary mysteries." And author John Lescroart labeled Arizona Dreams, "a pure delight," saying that Mapstone is "one of the most compelling characters in the mystery scene in several years."

Now Jon Talton turns to a gritty hospital in a Midwestern city

On a winter night on a remote Nebraska road, twenty-seven year old Mark Schluter flips his truck in a near fatal accident. His older sister, Karin, returns to nurse Mark back from a traumatic head injury. But when he emerges from a coma, Mark believes that this woman is really an impostor who looks just like his sister. Shattered, Karin contacts the cognitive neurologist Gerald Weber, who eagerly investigates. What he discovers in Mark slowly undermines