Pellucidar

Shown by first publication year; this may not be reading order.

Pellucidar Edgar Rice Burroughs Pellucidar Edgar Rice Burroughs · 1923 · Pellucidar Land of Terror Edgar Rice Burroughs Land of Terror Edgar Rice Burroughs · 1944 · Pellucidar Tarzan at the Earth's Core Edgar Rice Burroughs Tarzan at the Earth's Core Edgar Rice Burroughs · 1959 · Pellucidar Savage Pellucidar Edgar Rice Burroughs Savage Pellucidar Edgar Rice Burroughs · 1963 · Pellucidar Mahars of Pellucidar John Eric Holmes Mahars of Pellucidar John Eric Holmes · 1976 · Pellucidar At the Earth's Core Edgar Rice Burroughs At the Earth's Core Edgar Rice Burroughs · 1998 · Pellucidar Tanar of Pellucidar Edgar Rice Burroughs Tanar of Pellucidar Edgar Rice Burroughs · 2006 · Pellucidar