The First Men in the Moon (Arcturus Classics, 141) By H. G. Wells

As we saw it first it was the wildest and most desolate of scenes. We were in an enormous amphitheatre, a vast circular plain, the floor of the giant crater. Its cliff-like wall closed us in on every side\u00BF'\n\nThanks to the discovery of an anti-gravity metal, Cavorite, two Victorian Englishman ...