New Horizons is an anthology of science fiction stories edited by American writer August Derleth. It was released posthumously by the specialty house publisher Arkham House in a hardcover edition of 2,917 copies. While the title page gives the date of publication as 1998, the book was not actually printed and released until 1999. The book is an anthology that Derleth had planned in the early 1960s, but never published.
Appendix: August Derleth's Science Fiction Anthologies
Sources
Chalker, Jack L.; Mark Owings (1999). The Science-Fantasy Publishers: A Bibliographic History, 1923-1998, Supplement 7. Westminster, MD and Baltimore: Mirage Press, Ltd. p. 4.
Joshi, S.T. (1999). Sixty Years of Arkham House: A History and Bibliography. Sauk City, WI: Arkham House. p. 173. ISBN0-87054-176-5.
Nielsen, Leon (2004). Arkham House Books: A Collector's Guide. Jefferson, NC and London: McFarland & Company, Inc. pp. 143–144. ISBN0-7864-1785-4.
