Soul Slayers (Gideon Thorn 5) by Michael Newton

Evil wears many faces…and some are not of this world.

As whispers of long-buried truth drift eastward from Colorado Territory toward Boston, Gideon Thorn continues his relentless pursuit of the supernatural forces that shattered his life. But in the sun-scorched lands of southern California, he finds himself facing something far darker than anything he’s yet encountered.

A string of gruesome mutilation murders grips the region—ritualistic, methodical, and escalating. Thorn suspects the work of more than just men. He suspects a design. An ancient one.

Drawn into a harrowing investigation, Thorn races to unravel the mystery before the killers—human or otherwise—complete their unholy plan and unleash a new era of terror upon the earth.

Soul Slayers is a blood-soaked blend of occult horror, western justice, and eerie apocalyptic dread—where the fate of the world may hinge on one haunted man’s fight against darkness.