Robert Place Napton: 4 books

After a military helicopter crashes in a remote valley in Africa, a lone survivor awakens without memory of his identity or mission. From the wreckage, he learns only his name: Roger Drum. Armed with instinctive survival skills, the amnesiac roams his new surroundings, discovering a bizarre lost world...

Thrown forward in time to Mars' dark future, Dejah finds a world all but conquered by invaders from the planet Earth. With no way home, she joins a rebel army of Green and Red men that is led by her own descendant - the Warlord of Mars known as Dejah Carter! In another adventure, Dejah Thoris is once...

Having returned from Titan, Dejah reunites with her Grandfather and Father and finds that a Criminal Underworld has gotten a foothold in Helium led by the enigmatic Mortus. In order to discover Mortus true identity and bring down his organization, Dejah and a notorious Weapons Master assume different...

Dejah Thoris, the Martian heroine of Edgar Rice Burroughs' classic Barsoom novels, strikes out on her own, proving herself every bit as resourceful and daring as her famous human consort: John Carter, the Warlord of Mars! Thrill to her solo adventures in this massive Omnibus edition, collecting the...