Note: Hyperion Press was the first publisher to issue a series of 'Classics of Science Fiction'. The series editor was Sam Moskowitz, who also provided introductions to many of the volumes. The first series, published 1974, had 23 volumes; the second, published 1976, had 19 volumes. Hyperion also brought back into print six anthologies and collections of criticism by Moskowitz, the hardcover editions of which were issued as 'classics'. Titles in the Classics of Science Fiction Series Listed under three subheadings on the back cover of 1976 trade paperback issue Out of the Silence (Amazon ASIN 0883554518 provides image, 2022-10-18): Series I (23 listings) Series II (19) Hyperion Titles by Sam Moskowitz (6) Footer banner: "All titles also in clothbound editions." "If not available at your bookseller, order directly from [mailing address; no price data]"