Operator 5

Ongoing series · 3 books

Books

Book cover of The Invisible Empire

The Invisible Empire

Frederick C. Davis

Book cover of Winged Hordes of the Yellow Vulture

Winged Hordes of the Yellow Vulture

Frederick C. Davis

Book cover of War Tanks of the Yellow Vulture

War Tanks of the Yellow Vulture

Frederick C. Davis

Authors

Frederick C. DavisFiction · Adventure1902–1977

Wayne RogersAdventure · Fantasy