No. 617 Squadron RAF Bomber Command is world-famous for its daring raids on the Mohne, Eder and Sorpe Dams, the Dortmund-Ems Canal and the attacks on the German ship Tirpitz. This book contains rarely seen photographs of the squadrons aircraft, crews and other behind-the-scenes operations. Each image is accompanied by a lengthy caption that convey the location and history surrounding the subject in question.

Chris Ward is a respected historian who has specialised in Bomber Command history, especially 5 Group, of which 617 was a member. He has had access to wartime records and ex-squadron personnel. He lives in Lutterworth, Leicestershire.