The Second Traitor : Double Agent Series Book 2 (The Double Agent Series)
2025
Prince of Spies : The Richard Prince Thrillers Book 1 (The Richard Prince Thrillers)
2021
Vienna Spies (Spy Masters)
2017
The Best of Our Spies (Spy Masters)
2016
End of Spies : Richard Prince Thrillers Book 4 (The Richard Prince Thrillers)
2021
The Berlin Spies (Spy Masters)
2019