Cassidy & Spenser Books in Order

Forensic psychiatrist Caitlin Cassidy and FBI profiler Atticus Spenser oppose each other in a murder trial. When an attack kills the accused and nearly kills Caitlin, the rivals must cooperate to identify a murderer determined to silence her.

Cassidy and Spenser hunt a serial killer who leaves murdered escorts at Los Angeles landmarks. When he demands a celebrity confess his secrets to save a kidnapped woman, their investigation exposes Hollywood’s hidden lives while another victim’s time runs out.

A Dallas socialite is murdered at a fundraising ball, making her FBI-agent husband the chief suspect. Sent to protect his interests, Cassidy and Spenser find evidence of a wider conspiracy and face a hitman as national security enters the case.

Vacationing in Tahiti, Cassidy and Spenser witness a newlywed groom nearly drown as his bride disappears. Conflicting accusations from the husband and the missing woman’s twin draw the investigators into a case where apparent violence may conceal an elaborate con.

A senator’s daughter vanishes from college years after surviving a childhood abduction that killed her nanny. Cassidy and Spenser investigate as similar women turn up dead, trying to determine whether Laura is another victim or a danger herself.