When a rider is murdered during a horse race in Woodstock, Delchard and Bret get drawn into the investigation.

Edward Marston has written well over a hundred books, including some non-fiction. He is best known for his hugely successful Railway Detective series and he also writes the Bow Street Rivals series featuring twin detectives set during the Regency; the Home Front Detective novels set during the First World War; and the Ocean Liner mysteries.