Fire and ice by J.A. Jance

When two murder investigations — one in Arizona and another in Seattle — collide, detectives J.P. Beaumont and Joanna Brady must join forces to catch a ruthless killer. As old secrets resurface and danger escalates, the detectives find themselves navigating treacherous paths where every clue could be deadly. Fire and Ice is a gripping, character-driven thriller that combines suspense, intricate plotting, and J.A. Jance’s masterful storytelling, keeping readers on edge until the very last page.