Frank Ferrari Books in Order

Isolated data analyst Garry Plumb gains access to a living device that allows travel into the past. As he begins altering his history, his secret life as a serial killer intersects with a detective’s investigation and the lure of revenge.

A young mother’s disappearance draws troubled detective John Waters into a difficult investigation. He turns to Garry Plumb, whose apparently successful new life conceals violent impulses and unusual knowledge that may offer a way to save her.

Garry Plumb’s secret pact lets him eliminate killers before they strike, but a new predator draws him into a dangerous case across Scotland and Scandinavia. As timelines fracture and his mind deteriorates, protecting his family becomes increasingly costly.