Three years after leaving the police force, Will Graham is begged by an old colleague to return, to help track down a murderer who operates at full moon and has murdered two entire families. Endowed with a sixth sense, Graham has never used conventional ways to find psychopaths. Instead, he has developed a method which is dangerous for his own mental health for it allows him to be accepted by people with deranged minds and enables him to construct...

"From the bestselling author of The Indispensables, the unknown and dramatic story of irregular guerrilla warfare that altered the course of the Civil War and inspired the origins of America's modern special operations forces. The Civil War is most remembered for the grand battles that have come to define it: Gettysburg, Antietam, Shiloh, among others. However, as bestselling author Patrick K. O'Donnell reveals in The Unvanquished, a vital shadow...