Publishing History

This is a chart to show the publishing history of editions of works about this subject. Along the X axis is time, and on the y axis is the count of editions published. Click here to skip the chart.  This graph charts editions published on this subject.
Editions Published
Year of Publication


Prolific Authors

who have written the most books on this subject
Robert Silverberg, 124 books
Isaac Asimov, 85 books
Poul Anderson, 61 books
Martin Harry Greenberg, 57 books
Philip K. Dick, 46 books
Theodore Sturgeon, 40 books
Roger Zelazny, 39 books
Robert A. Heinlein, 38 books
Terry Carr, 38 books
Gardner R. Dozois, 37 books
Clifford D. Simak, 36 books
Ray Bradbury, 34 books
Harry Harrison, 32 books
Larry Niven, 30 books
Frank Herbert, 30 books
Keith Laumer, 29 books
Frederik Pohl, 28 books
Philip José Farmer, 27 books
Martin H. Greenberg, 26 books
James Blish, 24 books
Gordon R. Dickson, 23 books
Ursula K. Le Guin, 23 books
Jack Williamson, 22 books
Damon Knight, 21 books
Ben Bova, 20 books


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