Download or read book Back to the Stone Age( Illustrated Edition) written by Edgar Rice Burroughs and published by . This book was released on 2021-03-25 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 six-part serial in Argosy Weekly from January 9 to February 13, 1937 under the title Seven Worlds to Conquer.