Edgar Rice Burroughs (2015). “Complete Works of Edgar Rice Burroughs: 70+ Adventure Classics & Science Fiction Novels (Illustrated): The Tarzan Series, The Barsoom Chronicles, The Pelucidar Series, Caspak Trilogy, The Moon Trilogy, The Venus Series, Westerns, Lost World Novels, Fantasy Classics, Historical Novels and more”, p.7310, e-artnow