Keith Gross

Cover image of Hitler's War
6.3

Hitler's War

War

Economic

Cover image of The Air-Eaters Strike Back!
6.5

The Air-Eaters Strike Back!

War

Science Fiction

Cover image of The Lords of Underearth
6.2

The Lords of Underearth

War

Adventure

Cover image of Invasion of the Air-eaters
6.3

Invasion of the Air-eaters

War

Science Fiction

Cover image of Ice War
6.0

Ice War

War

Alternate History