The Cave Girl and The Cave Man
The Moon Maid (The Moon Series Book 1)
The Moon Men (The Moon Series Book 2)
The Red Hawk (The Moon Series Book 3)
The Eternal Lover
The Lad and the Lion
Adventures in Pellucidar
Tanar of Pellucidar
The Edgar Rice Burroughs Western MEGAPACK ®
Land of Terror (Pellucidar Book 6)