Jack Mars is probably a pseudonym or house name. He/she/they is/are the creator(s) of:
1. 'Agent Zero Spy Thriller' series featuring Kent Steele, a professor of European History and CIA spy.
2. 'Axel Strike', a former Airborne-turned-Homeland Security Agent.
3. 'Forging of Luke Stone' series featuring Luke Stone, a veteran Delta Force soldier before he became head of a secret department.
4. 'Grant Valor', a former Army Ranger.
5. 'Jake Mercer', a former Marine sniper turned Secret Service agent.
6. 'Lara King', one of the CIA's deadliest and most effective agents.
7. 'Luke Stone', the head of an elite, secretive, department within the FBI.
8. 'Spy Game' series featuring Jacob Snow, an elite soldier-turned-CIA agent.
9. 'Troy Stark', a retired Navy SEAL.
10. 'Tyler Wolf', a rookie CIA agent during the Cold War.
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