| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Can You Crack The Enigma Code? | Paperback | 978-0-7528-8162-1 | 2007 | |
| Can You Crack The Enigma Code? | Hardcover | 978-0-7528-7526-2 | 2006 | |
| Can You Crack the Enigma Code? | Paperback | 978-0-7528-8527-8 | 2006 | |
| SAS Operation Storm: Nine men against four hundred | " | 978-1-4447-2696-1 | 2012 | Roger Cole |
| SAS Operation Storm: Nine men against four hundred | Hardcover | 978-1-4447-2695-4 | 2011 | " |
| SAS Operation Storm: Nine men against four hundred | Paperback | 978-1-4447-2697-8 | 2011 | " |
| Terminate with Extreme Prejudice: Inside the Assassination Game - First-hand Stories from Hired Killers and Their Paymasters | " | 978-1-84119-947-4 | 2005 | |
| The Assassination Business: A History of State-Sponsored Murder | " | 978-0-7867-1343-1 | 2005 | |
| The Six Unsolved Ciphers: Inside the Mysterious Codes That Have Confounded the World's Greatest Cryptographers | " | 978-1-56975-628-7 | 2007 | |
Carroll & Graf · Hodder & Stoughton · Orion · Robinson · Ulysses Press