Land of Terror Author:Edgar Rice Burroughs David Innes, discoverer of the Inner World of Pellucidar, ahd carved out his own empire among the cavement there. He had set out on an exploration of new territories - and disappeared! — A rescue expdedition under the leadership of his cavewoman queen, Dian the Beautiful, began a desperate search for him - only to plunge them both into an ordeal ... more »of danger.« less