Mutants: Eleven Stories of Science Fiction, edited by Robert Silverberg. "The theme of mutations, genetic changes in living things, has long been one of science fiction's favorites. In this anthology, authors Poul Anderson and F. N. Waldrop, Jerome Bixby, Forrest J Ackerman, Frederik Pohl, Mark Clifton, Ralph Milne Farley, Brian W. Aldiss, Terry Carr, Robert Silverberg, R. A. Lafferty, and James Blish explore the subject in eleven stories that demonstrate science fiction's marvelous diversity." 182 pp.