The Mad King

The People That Time Forgot

The Chessmen of Mars

At the Earth's Core

The Efficiency Expert

Gods of Mars

The Lost Continent

Thuvia, Maid of Mars

The Monster Men

The Oakdale Affair

Out of Time's Abyss

The Outlaw of Torn

Pellucidar

A Princess of Mars

Return of Tarzan

Beasts of Tarzan

Son of Tarzan

Tarzan and the Jewels of Opar

Jungle Tales of Tarzan

Tarzan the Untamed

Tarzan of the Apes

The Land That Time Forgot

The Mucker

Tarzan the Terrible

Warlord of Mars