Blood Detective Books in Order

A cryptic clue left on a murder victim draws genealogist Nigel Barnes into DCI Grant Foster’s investigation. Tracing bloodlines back to a Victorian killer reveals a disturbing connection, while further deaths suggest the past is guiding a new series of murders.

A murdered mother and her missing teenage daughter remind DCI Grant Foster of an earlier disappearance. Genealogist Nigel Barnes searches for links between the families, uncovering a couple’s flight from an old crime whose concealed consequences now endanger another generation.

Investigating a man burned to death in his car forces Grant Foster to revisit a notorious childhood murder he handled early in his career. As further killings emerge, the case challenges both his memories and the supposedly secure new identities of two former offenders.

Bodies discovered in London Underground stations bring DCI Grant Foster and genealogist Nigel Barnes together again. Suspecting a connection between the killings, they follow buried family secrets and the city’s hidden spaces while a murderer moves toward another victim.