Edgar Rice Burroughs

Back to the Stone Age is a novel written by Edgar Rice Burroughs, the fifth in his series set in the interior 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." It was first published in book form in hardcover by …

Collected here in this oversized omnibus edition are seven novels of Mars by Edgar Rice Burroughs: 'A Princess of Mars,' 'Gods Of Mars,' 'Warlords of Mars,' 'Thuvia, Maid of Mars,' 'The Chessmen of Mars,' 'The Master Mind of Mars,' and 'A Fighting Man of Mars.' These novels will transport you to a lush Mars that never …