Pellucidar Author:Edgar Rice Burroughs This book has gotten slightly wet on the back and has a slight curve through about ? of the book. The front cover is slightly creased. — In the hidden world at the Earth?s core, David Innes who first discovered it, was struggling to carve a civilization out of its Stone Age perils, but he had to drop his work to embark on a hunt for the kidnappe... more »d empress, the cavewoman Dian the Beautiful. His search for Dian, his use of surface science against Pellucidar monsterdom, makes Edgar rice Burroughs? Pellucidar an action-packed high-adventure science-fiction novel.« less