SF Encyclopedia
@sfencyclopedia.bsky.social
The Encyclopedia of Science Fiction -- founded 1979, Hugo winner for 1979, 1993 and 2011 editions, now free online at https://sf-encyclopedia.com/ with principal editors John Clute and David Langford.
Interior magazine art for Robert Silverberg's stories 1956-1957 (Frank Kelly Freas, Ed Emshwiller, Henry Sharp and [uncredited]):
![Interior magazine artwork for 'Cosmic Kill' by Robert Silverberg [as by 'Robert Arnette']](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:oaffsikc5nub6hqya4ufufxd/bafkreidbwg4aklvidw5qt276yj2btqqpi2hezjv6bo4kkc3agtfayvpsqu@jpeg)
![Interior magazine artwork for 'The Ultimate Weapon' by Robert Silverberg [as by 'S M Tenneshaw']](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:oaffsikc5nub6hqya4ufufxd/bafkreif4q5ghl7ahqqvqnac6s74vq5lx6ynseja3lqeameuivtia4sti2i@jpeg)
January 16, 2026 at 12:01 AM
Interior magazine art for Robert Silverberg's stories 1956-1957 (Frank Kelly Freas, Ed Emshwiller, Henry Sharp and [uncredited]):