Guardians of Churchill's Secret Army: Men of the Intelligence Corps in the Special Operations Executive
2019
Gain Save Give: Doing the right thing with money
2020
Return to Vienna: The Special Operations Executive and the Rebirth of Austria
2023
Return to Vienna: The Special Operations Executive and the Rebirth of Austria (Unabridged)
2024
Gain Save Give: Doing the Right Thing with Money (Unabridged)
2024