At the Earth’s Core

Tarzan the Untamed

Tarzan Jungle Tales

Jungle Tales of Tarzan (Unabridged)

Tarzan and the Jewels of Opar (Unabridged)

Tarzan and the Lost Empire (Unabridged): optional

The Land of Hidden Men (Unabridged): optional

Tanar of Pellucidar (Unabridged): optional

Jungle Tales of Tarzan: Tarzan's First Love

The Return of Tarzan

Tarzan of the Apes

Pellucidar

Tarzan of the Apes

A Fighting Man of Mars

Tarzan and the City of Gold

The Monster Men

The Return of Tarzan

A Princess of Mars

The Tarzan Collection - 2 Full Audiobooks: Unabridged Audiobooks of "Tarzan of the Apes" (Book 1) and "The Return of Tarzan" (Book 2)

The Beasts of Tarzan