The Confidence Men: How Two Prisoners of War Engineered the Most Remarkable Escape in History
his book should probably be read in conjunction with (but after) "The Road to Endor", which was written by the two protagonists of the story, after their return from their experiences at the end of the war.
The book expands on the original story, which is about the two men hoodwinking the Turkish Prison Guards with an elaborate confidence trick involving Ouija boards.