The first edition of the non-fiction-with-science-fiction-short-stories anthology “The Planets“ is published by Bantam Books, edited by Byron Preiss. Contributors include Isaac Asimov, Arthur C. Clarke, Harry Harrison, Ray Bradbury, Roger Zelazny, JPL scientist Dale Cruikshank, Frank Herbert, illustrator Ralph McQuarrie, and many more. Each body in the solar system is described in a factual essay, and then features in a short story.
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