Sloan Riddle Books in Order

Bodies discovered in abandoned copper mines draw Detective Sloane Riddle into a serial murder investigation. Her experience as a corrections officer offers insight into the killer's psychology, but finding someone who leaves almost no evidence means anticipating his next move.

A prison break sends several dangerous convicts into the Arizona desert and brings Detective Sloane Riddle face to face with her former life. Using insights gained as a corrections officer, she follows deadly clues while struggling with memories she cannot escape.

Victims found shackled to rocks in the Arizona desert reveal a serial killer's disturbing pattern. Detective Sloane Riddle draws on her prison experience and knowledge of criminal behavior to identify the murderer before another captive is left to die.

A killer confines victims in grotesque imitations of prison isolation, drawing Detective Sloane Riddle into an obsessive criminal's scheme. Her past as a corrections officer may help her understand the murders, but stopping them requires outthinking someone determined to continue.

Victims paralyzed by toxins from native plants lead Detective Sloane Riddle toward another calculating killer. Her understanding of criminal minds and difficult past become essential tools as she tries to unravel the pattern without putting more people in danger.