A Walk Among the Tombstones by Lawrence Block
Big time dope dealer Kenan Khoury is a wealthy man.Then one fine Spring morning his wife Francine is kidnapped and a ransom is demanded.Kenan pays and his wife is duly returned to him-in small pieces in the boot of an abandoned car.Leaving PI Matt Scudder to speculate on the motives of a very unusual kidnapper.Soon Scudder is on the trail of a pair of ruthlessly sadistic psycopaths whose cruel games hve only just begun...