Fritz Leiber was one of science fiction's greatest writers, equally at home in fantasy and horror fiction as well. This collection of his most well-known science fiction also collects obscure tales as well, with an afterword by John Pelan and cover art by Jim and Ruth Keegan. Masters of Science Fiction is a new series collecting the essential and award-winning stories of classic science fiction writers in a single, easy to read book. With covers by noted artists Jim and Ruth Keegan, and edited by John Pelan, each book averages over six hundred pages.