At the Earth's Core
Edgar Rice Burroughs
Pellucidar (1)
The Efficiency Expert
A Fighting Man of Mars / Swords of Mars
Barsoom (8)
The Girl From Farris's
The Man-Eater
Out of Time's Abyss
Caspak (3)
The Return of the Mucker
Mucker (2)
The Rider
Tarzan "Tarzan and the Antmen"
Tarzan (10)
Tarzan and the "Foreign Legion"
Tarzan (22)
Tarzan and the Madman
Tarzan (23)
Tarzan of the Apes
Tarzan (1)
Tarzan's Quest
Tarzan (19)