The Reapers by John Connolly

Darkly brilliant and intuitive private detective Charlie Parker returns in the next thrilling installment of the New York Times bestselling series by John Connolly about an elite group of killers.
The Reapers are the elite of killers, the best at their trade, and Louis, confidante of troubled private detective Charlie Parker, is one of their number. Now the sins of his past are about to be visited upon him, for someone is hunting Louis, targeting his home, his businesses, and his partner, Angel. The instrument of his revenge is Bliss, the killer of killers, the most feared of assasins, and a man with a personal vendetta against Louis.

But when Louis and Angel decide to strike back, they disappear, and their friends are forced to band together to find them. They are led by Parker, a killer himself, a reaper in waiting...

The harvest is about to begin.