This is a classic science fiction novella by Stanley G. Weinbaum that was originally published in Wonder Stories in 1934. It is only Weinbaum''s second published story and is a sequel to ''A Martian Odyssey''. The tale follows Dick Jarvis and his mission to retrieve the film he took one week earlier that was lost when his auxillery rocket crashed. Along with his colleague ''Frenchy'' the pair visit the city of the cart creatures and the site of the pyramid building creature before going in search of Tweel, the birdlike Martian he met in ''A Martian Odyssey''. This work is part of our Vintage Sci-Fi Classics Series, a series in which we are republishing some of the best stories in the genre by some of its most acclaimed authors, such as Isaac Asimov, Marion Zimmer Bradley, and Robert Sheckley. Each publication is complete with a short introduction to the history of science fiction.