Bennett, Ralph. Intelligence Investigations: How Ultra Changed History. [Studies in Intelligence Series] Frank Cass (UK)/ISBS (US) 1996 [I tracked down this book due to the favorable comments of an intell historian. His recommendation was right on the mark. "Intelligence and logistics are two of the most overlooked categories of military history. Fortunately, Ralph Bennett has helped fill in the gaps on the role of intelligence in WW II with his three previous books. His newest …showed first 75 words of 460 total…

…showed last 75 words of 460 total…historian always looking to separate supposition from fact. Some readers may be put off by how critical, at times even caustic, Bennett is regarding the writing of others. Yet his efforts to fill in the gaps in intelligence history, plus better integrate intelligence into military history rather than study the two fields in isolation, must be applauded." -- Fritz Heinzen, Paper Wars magazine. This book is also available in a hardcover edition from Amazon.com.]