Author: Tom Marcus

For fans of Ant Middleton and the BBC's Bodyguard. Read this gripping thriller from former MI5 operative, Tom Marcus, author of the bestselling Sol...

The explosive, shocking and honest account from an MI5 officer, revealing never-before-seen detail into MI5's operation 'I do it because it is all ...

'One of the most successful MI5 undercover surveillance officers of his time.' - Sun'The brutal truth about the war against terror. Fast-paced and ...

An explosive thriller from former MI5 officer, Tom Marcus, author of the bestselling Soldier Spy. There is a terrifying threat to UK national secur...

The explosive memoir from ex-MI5 surveillance officer Tom Marcus, I Spy takes you on a non-stop, adenalin-fuelled ride as he hunts down those who w...

To enforce justice, sometimes you have to break the law. Former MI5 officer Tom Marcus returns with Target and Destroy, a blistering spy thriller w...