Warm Worlds and Otherwise

First edition of the American science fiction writer's second book, a collection of short stories. With an introduction by Robert Silverberg, who opines at length as to Tiptree's identity, never suspecting that it was in fact the pen-name of a woman writer. NY: Ballantine Books, 1975. First edition. Perfect-bound mass-market paperback, 6 7/8 x 4 1/8 in. xviii, 222pp. Mild edge wear. Rubbing to rear panel and along hinge joints. A very good or better copy.