The Skin Thief - T. E. Macarthur - Bog

"Agent Tessa Wells-Lancing is an experienced intelligence operative being recruited by Death itself. Jack de Sombras is an accused traitor who 'died' at the hands of his accusers. Together they discover a diabolical enterprise and murderous entity thriving in southwest Colorado. Back home they face enemies and there is every chance they'll have to kill each other before they're done. When crime bosses suddenly turn up dead, no one cares until innocent bystanders are slaughtered in the resulting territorial wars. Rumors abound that ghosts and evil spirits in the ancient dwellings of Colorado's canyons are responsible for the killing. It falls to Tessa Lancing and her burgeoning relationship with Death to find the perpetrator of these bizarre crimes, along with the powerful device capable of mesmerizing sane men into self-destruction"--