| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2007 | 978-0-9557164-0-9 | Kerry Johnson ยท John Gallehawk | Figuring it Out at Bletchley Park 1939-1945 |
| 2014 | 978-0-9557164-3-0 | John Jackson | Solving Enigma's Secrets: The Official History of Bletchley Park's Hut 6 |
| 2013 | 978-0-9557164-5-4 | Kerry Johnson | Dear Code Breaker: The Letters of Margaret Rock (Bletchley Park Code Breaker & John Rock (Parachute & Glider Forces Pioneer) |