[With an introd. by Robert A.W. Lowndes] With an introd. by Lord Horder. Jules Verne ; introduction by Robert A. W. Lowndes. H. G. Wells ; with an introduction by Robert A. W. Lowndes. Jules Verne ; [introduction by Robert A. W. Lowndes] With an introd. by Julian S. Huxley. With an introd. by Martin Gardner. With an introd. by Nathan M. Newmark. With an introd. by Pierre Chevenard. With an introd. by W. T. Stearn.