One Prehistoric Night
Philip Barshofsky
The Bluff of the Hawk
Harry Bates
Hawk Carse (1)
Seed of the Arctic Ice
Seed of the Arctic Ice (1)
The Affair of the Brains
Hawk Carse (2)
Alas, All Thinking!
Hawk Carse
Harry Bates & Desmond W. Hall
Miss Ludington's Sister: A Romance of Immortality
Edward Bellamy
Looking Backward, 2000-1887
Julian West (1)
The Hampdenshire Wonder
J. D. Beresford
The Einstein See-Saw
Miles J. Breuer
The Raid from Mars
Captain Gardiner of the International Police
Robert Allen
A Princess of Mars
Edgar Rice Burroughs
Barsoom (1)
Tarzan of the Apes
Tarzan (1)
The People That Time Forgot
Caspak (2)
At the Earth's Core
Pellucidar (1)
The Electrical Experimenter 1917-05 Eddy Currents
The Electrical Experimenter
The Master Mind of Mars
Barsoom (6)
The Electrical Experimenter 1917-08 The Radio Bomb
The Electrical Experimenter 1918-03 At War with the Invisible ...