At the Earth's Core/Pellucidar/T[..] of Pellucidar
Edgar Rice Burroughs
Pellucidar (1)
Tanar of Pellucidar
Pellucidar (3)
At the Earth's Core
Back to the Stone Age
Pellucidar (5)
Pellucidar
Pellucidar (2)
Tarzan at the Earth's Core
Pellucidar (4)