Book 1

The Renegade Spy

by Mark O'Neill

Published 27 September 2017

Book 1

The Reichsbank Gold

by Mark O'Neill

Published 20 November 2017

Book 3

The Executioner

by Mark O'Neill

Published 20 November 2017

Book 9

Operation Eternal Vengeance

by Mark O'Neill

Published 18 September 2018

Book 14

Valkyrie

by Mark O'Neill

Published 27 August 2020