Secret Britain A journey through the Second World War's hidden bases and battlegrounds McKay Sinclair Heftet / 2022 / Engelsk
50 Codes that Changed the World . . . And Your Chance to Solve Them! McKay Sinclair Heftet / 2023 / Engelsk
Secret Life of Bletchley Park The History of the Wartime Codebreaking Centre by the Men and Women Who Were There McKay Sinclair Heftet / 2011 / Engelsk
50 Codes that Changed the World . . . And Your Chance to Solve Them! McKay Sinclair Innbundet / 2022 / Engelsk
Murder at No. 4 Euston Square The Mystery of the Lady in the Cellar McKay Sinclair Heftet / 2021 / Engelsk
Secret Service Brainteasers Do you have what it takes to be a spy? McKay Sinclair Heftet / 2018 / Engelsk
Scotland Yard Puzzle Book Crime Scenes, Conundrums and Whodunnits to test your inner detective McKay Sinclair Heftet / 2019 / Engelsk
Bletchley Park Puzzles and Brainteasers Could YOU be a top secret codebreaker? (Children's Edition) McKay Sinclair Heftet / 2024 / Engelsk
Bletchley Park Brainteasers The bestselling quiz book full of puzzles inspired by Bletchley Park code breakers McKay Sinclair Heftet / 2017 / Engelsk
50 Codes that Changed the World . . . And Your Chance to Solve Them! McKay Sinclair Heftet / 2022 / Engelsk
Secret Listeners The Men and Women Posted Across the World to Intercept the German Codes for Bletchley Park McKay Sinclair Heftet / 2013 / Engelsk
