One Man's Poison

One Man's Poison is a science fiction short story by Robert Sheckley, published in the early 1950s. It follows two space travelers, Hellman and Casker, who land on a desolate planet after running out of food during their journey. Faced with the challenge of surviving on alien substances, they engage in humorous debates about the edibility of their options, leading to absurd situations and ironic conclusions about alien life and survival. The story blends dark humor with speculative fiction, highlighting the complexities of food and survival in extraterrestrial environments.