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
Isaac Asimov, 201 books
Robert Silverberg, 174 books
Martin H. Greenberg, 136 books
Poul Anderson, 119 books
Gardner R. Dozois, 77 books
Frederik Pohl, 76 books
Theodore Sturgeon, 75 books
Ray Bradbury, 72 books
Larry Niven, 63 books
Robert A. Heinlein, 60 books
Philip K. Dick, 56 books
Clifford D. Simak, 54 books
Harry Harrison, 51 books
James Blish, 50 books
Gordon R. Dickson, 48 books
Terry Carr, 48 books
Fritz Leiber, 47 books
Keith Laumer, 47 books
Philip José Farmer, 45 books
George R. R. Martin, 45 books
Robert Sheckley, 44 books
Roger Zelazny, 44 books
Edgar Rice Burroughs, 43 books
Jack Williamson, 43 books
Murray Leinster, 41 books