Pellucidar

13 books in series
4 out of 5 stars 263 ratings

At the Earth's Core Publisher's Summary

When David Innes and his inventor friend pierced the crust of the Earth in their new burrowing device, they broke out into a strange new inner world of eternal daylight - a world in back of the Stone Age, where prehistoric monsters still lived, and cave men and women battled against cruel, inhuman masters.
The story of what these two men did in that new world of Pellucidar makes At the Earth's Core one of Burrough's most outstanding best sellers.
(P)1996 by Blackstone Audiobooks
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