Sinclair in Command: the Naval war is being waged Mediterranean (The Submariner Thriller Series)

Full Fathom Five: A Cold War Naval adventure story (The Submariner Sinclair Thriller Series)

Submariner Sinclair: A thrilling WW2 military adventure story (The Sinclair Naval Thriller Series)

in the Blood: Sinclair's early years Merchant Navy (The Submariner Sinclair Naval Thriller Series)

Sub Zero: Has an infamous Nazi war criminal escaped death...? (The Submariner...