Back to the Stone Age is a novel by American writer Edgar Rice Burroughs, the fifth in his series set in the lost world of Pellucidar. It first appeared as a si

Back to the Stone Age Edgar Rice Burroughs - The fifth installment of Edgar Rice Burroughs's Pellucidar series, Back to the Stone Age recounts the strange adven

Back to the Stone Age is a novel by American writer Edgar Rice Burroughs, the fifth in his series set in the lost world of Pellucidar. It first appeared as a si

Back to the Stone Age is a novel by American writer Edgar Rice Burroughs, the fifth in his series set in the lost world of Pellucidar. It first appeared as a si

The fifth installment of Edgar Rice Burroughs's Pellucidar series, Back to the Stone Age recounts the strange adventures of Lieutenant von Horst, a member of th