This is an OCR edition without illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from GeneralBooksClub.com. You can also preview excerpts from the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Original Published by: J. Murray in 1920 in 313 pages; Subjects: World War, 1914-1918; Secret service; History / Military / General; History / Military / World War I; History / Military / World War II; Political Science / Political Freedom & Security / Intelligence; True Crime / Espionage;