John Carter of Mars (Barsoom Series, #11)

Novels (Tarzan of the Apes/The Return of Tarzan/The Beasts of Tarzan)

Novels (Tarzan of the Apes/The Return of Tarzan)

Edgar Rice Burroughs' Tarzan omnibus

Mars trilogy

Tarzan of the Apes & Other Tales

Back to the Stone Age

John Carter of Mars - volume 1 - The Princess of Mars & The Gods of Mars (John Carter of Mars)

Tanar of Pellucidar (Bison Frontiers of Imagination)

Tarzan of the Apes

Gods of Mars