"Tarzan of the Apes" was first published in the pulp magazine “All-Story Magazine” in October, 1912. It was the first novel in a series of adventure novels about an orphan who is raised by a tribe of apes in the jungle. He eventually was returned to civilization but decided he liked it better in the wilds. The stories were very popular in their day. The collection includes all 25 books: Tarzan of the Apes,
The Return of Tarzan,
The Beasts of Tarzan,
The Son of Tarzan,
Tarzan and the Jewels of Opar,
Jungle Tales of Tarzan,
Tarzan the Untamed,
Tarzan the Terrible,
Tarzan and the Golden Lion,
Tarzan and the Ant Men,
Tarzan, Lord of the Jungle,
Tarzan and the Lost Empire,
Tarzan at the Earth's Core,
Tarzan the Invincible,
Tarzan Triumphant.
Tarzan and the City of Gold.
Tarzan and the Lion Man.
Tarzan and the Leopard Men.
Tarzan's Quest,
Tarzan and the Forbidden City,
Tarzan the Magnificent,
Tarzan and the Foreign Legion,
Tarzan and the Castaways,
The Tarzan Twins, and
Tarzan and the Tarzan Twins with Jad-bal-ja the Golden Lion.