Semper Mars
Ian Douglas
Heritage Trilogy (1)
Luna Marine
Heritage Trilogy (2)
Europa Strike
Heritage Trilogy (3)
Star Corps
The Legacy Trilogy (1)
Battlespace
The Legacy Trilogy (2)
Star Marines
The Legacy Trilogy (3)
Star Strike
The Inheritance Trilogy (1)
Galactic Corps
The Inheritance Trilogy (2)
Semper Human
The Inheritance Trilogy (3)
Earth Strike
Star Carrier (1)