J.D. Barker

The Fourth Monkey

by J.D. Barker

4.1(18,510)

A detective races against time to decipher a dead serial killer's final, elaborate puzzle, navigating the psychopath's chilling diary and his own fractured past to save a kidnapped victim who may still be alive.

El Cuarto Mono (Pack)

by J.D. Barker

A relentless detective hunts a serial killer who leaves behind a cryptic trail of body parts and a chilling promise of a fourth victim, forcing him into a psychological maze where every clue is a taunt.