Cast a Deadly Spell: The Official Novelization (Echo On Novelizations)

A horror-fantasy detective comedy set in an alternate Los Angeles where magic is ubiquitous. Private investigator H. Phillip Lovecraft, the only human who stubbornly refuses to use magic, is hired by a wealthy client to retrieve the stolen Necronomicon. He soon discovers that multiple parties are vying for the mystical tome, including a ruthless gangster who happens to be Lovecraft's former partner, with plans to use its dark curses to summon the "Great Old Ones" and conquer the world. Based on screenplay to the classic 1991 HBO movie by Joseph Dougherty.