DI Bob Valentine Books in Order

Returning after a near-fatal stabbing, DI Bob Valentine investigates a banker's killing in Ayr. Evidence is scarce, information leaks undermine his team, and disturbing visions complicate his struggle to identify a serial murderer while proving he is fit for duty.

A corpse with a severe neck wound and the disappearance of the victim's partner and her daughter confront DI Bob Valentine. Uncovering the family's secrets intensifies an investigation already complicated by the frightening visions that make him question his own stability.

A missing girl's mother believes she knows who is responsible, but her warnings go unheard until Bob Valentine takes the case. His investigation uncovers organized abuse and powerful protectors, while mounting deaths make finding the girl increasingly urgent.

A child's preserved remains in a barrel reopen a disappearance from the 1980s. As further discoveries suggest an abuse ring with political protection, DI Bob Valentine follows disturbing visions and evidence toward people whose influence may reach far beyond the investigation.