From the Preface: Judith Merril, known as both a science fiction writer and an outstanding anthologist. From her "Year's Best SF" series, which solidified her reputation, twenty-seven stories have been carefully selected and compiled into two volumes. Literally the best of the best, "masterpieces among masterpieces," featuring a diverse and impressive lineup including Asimov, Sheckley, Aldiss, Sturgeon, Reynolds, Leiber, and Budrys. Sogen Mystery Bunko Published in 1976 Some page folds and yellowing of the paper.