 Codebreakers by F. H. Hinsley |  A Life in Secrets by Sarah Helm |  Operation Mincemeat by Ben Macintyre |  Churchill's Ministry of Ungentlemanly Warfare by Giles Milton |  Seizing the Enigma by David Kahn |  Station X by Michael Smith |  Enigma by Hugh Sebag-Montefiore |  A Man Called Intrepid by William Stevenson |  Battle of Wits by Stephen Budiansky |  Code Girls: The Untold Story of the American Women Code Breakers of World War II by Liza Mundy |  Agent Zigzag by Ben Macintyre |  The Emperor's Codes by Michael Smith |  An Album of Memories by Tom Brokaw |  D-Day Girls by Sarah Rose |  Double Cross by Ben Macintyre |  A Higher Call by Adam Makos |  Fearless by Eric Blehm |  Devotion by Adam Makos |  The Last Punisher by Kevin Lacz |  The Operator by Robert O'Neill |