The Man-Eater
Edgar Rice Burroughs
Pellucidar
Pellucidar (2)
The Beasts of Tarzan
Tarzan (3)
At the Earth's Core
Pellucidar (1)
The Warlord of Mars
Barsoom (3)
The Cave Girl
Jungle Adventures (2)
The Return of Tarzan
Tarzan (2)
The Gods of Mars
Barsoom (2)
Tarzan of the Apes
Tarzan (1)
A Princess of Mars
Barsoom (1)
Barsoom Omnibus