Deep Sleeper

Deep Sleeper is about to depart. But who will return?

When Detective Chief Inspector Paul Cullen is tasked with heading up security on the maiden voyage of a new luxury sleeper train heading to Scotland, he thinks his luck is in.

But it soon becomes apparent that there are dark secrets and even darker intentions among the train's high-profile passengers.

Deadly intentions.

Jump on board with DCI Paul Cullen of the British Transport Police in a series of gripping mysteries, perfect for fans of Peter James, Harlan Coben and Robert Galbraith. Cullen is a dedicated and determined officer, loyal to his colleagues and close to his family. Spearheading the investigation of high profile crimes across the UK's transport network, Cullen is a man you want on your side when things go wrong.

DEEP SLEEPER is Book 4 in the highly rated DCI Paul Cullen British Transport Police mystery series.