DI Hillary Greene Series Books in Order

The DI Hillary Greene Series by Faith Martin follows Detective Inspector Hillary Greene of the Thames Valley Police, a seasoned investigator navigating the murky waters of office politics, personal scandal, and challenging murder cases. Hillary is a complex, deeply human protagonist — brilliant at reading people, pragmatic under pressure, and wrestling with a past that refuses to stay buried.

The series is set against the authentic backdrop of the English Midlands, and Martin does an exceptional job capturing the bureaucratic reality of modern policing alongside the procedural craft of solving crimes. Hillary is flanked by a rotating cast of colleagues, rivals, and romantic interests that evolve meaningfully across the series.

What distinguishes this series is its emotional depth. Hillary is not a superhero — she is a competent, sometimes lonely professional who earns every breakthrough through persistence and intelligence. Each novel centers on a standalone murder investigation while advancing Hillary's personal story arc.

Faith Martin began the series in 2004, and it has grown into one of the most reliable British police procedural series for readers who appreciate character-driven mysteries. Start with A Narrow Margin of Error and follow Hillary from her earliest cases through her remarkable career. Fans of Deborah Crombie and Ann Cleeves will feel right at home.