The People that Time Forgot

The cave girl: All Time Bestseller Book

Tarzan and the Jewels of Opar

The Lost Continent

The People That Time Forgot

A Princess of Mars

The eternal savage: Lost Worlds and Ancient Foes: A Prehistoric Adventure of Survival and Romance

At the Earth's Core

Tarzan and the City of Gold

Tarzan of the Apes

Tarzan and the Golden Lion

Tarzan and the Lion Man

Thuvia, Maid of Mars

Tarzan of the Apes

The Return of Tarzan

Tarzan the Invincible

The Cave Girl

The Tarzan Series - Three Volumes in One: Tarzan of the Apes, The Return of Tarzan, & The Beasts of Tarzan

The Eternal Lover: An Epic Tale of Love Across Time and Destiny