Reviver is an action-packed supernatural thriller from debut author Seth Patrick, that is perfect for all fans of Justin Cronin, Stephen King and Dean Koontz. Revivers. Able to wake the recently dead, and let them bear witness to their own demise. Twelve years after the first reviver came to light, they have become accepted by an uneasy public. The testimony of the dead is permitted in courtrooms across the world. Forensic revival is a routine part of police investigation.