Hardcover. Condition: Fine. Slipcase Condition: Very Good. 1st Edition, 2007. Strong binding. No inscriptions.
Account of the double cross (or XX) system in which British intelligence managed to take control of German agents operating in Britain and use them to send back misleading information. Written by Masterson, the chairman of the Twenty Committee, who ran the operation. With b/w images. Complete with slipcase.