Scientists Dick Seaton and Marc DuQuesne were the deadliest enemies in the galaxy. Their feud had...

In this exhilarating sequel to The Skylark of Space, momentous danger again stalks genius invento...

All the creative energies of the West have been directed into space exploration and development -...

As the mighty spaceship Skylark roamed the intergalactic spaceways, scientist Richard Seaton and ...

The future of mankind is in the hands of the legendary Corps of One Hundred, an elite body of war...

Jarvis Hilton is in charge of a handpicked team of scientists - and a navy warship on a deep spac...

Worlds of If' was a three-time winner of the Hugo Award for best science fiction magazine. 'World...

Lord Tedric of the Marshes, ex-Corpsman, revered hero of the Empire and personal friend of the Em...

THE LADY A OFFERS AN ALLIANCEDevastated by alien invasion, one of the Empire's far-flung planet...

GALACTIC THREATThe awesome forces of the Empire of Earth have destroyed most of the evil conspi...

Helena, second in command of the Empire Of Earth's security forces (and daughter of its head), ha...

Lord Tedric of the Marshes, ex-Corpsman and interplanetary warrior, faces a crucial mission: to c...