The Lost Continent
Edgar Rice Burroughs
Lost on Venus
Venus (Edgar Rice Burroughs) (2)
The Man-Eater
The Master Mind of Mars
Barsoom (6)
Mastermind of Mars
The Monster Men
monster (1)
The Moon Maid
The Moon Sequence (1)
The Moon Men
The Moon Sequence (2)
The Return of the Mucker
Mucker (2)
The Mucker
Mucker (1)
The Nightmare
The New Stories of Tarzan (9)
Out of Time's Abyss
Caspak (3)
Pellucidar
Pellucidar (2)
The People That Time Forgot
Caspak (2)
Pirate Blood
Pirates of Venus
Venus (Edgar Rice Burroughs) (1)
A Princess of Mars
Barsoom (1)
The Red Hawk
The Moon Sequence (3)
The Return of Tarzan
Tarzan (2)