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

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Prolific Authors

who have written the most books on this subject
Isaac Asimov, 206 books
Martin H. Greenberg, 157 books
Robert Silverberg, 141 books
Arthur C. Clarke, 99 books
Katherine Applegate, 95 books
Poul Anderson, 79 books
Frederik Pohl, 73 books
Jude Watson, 73 books
Andre Norton, 71 books
Margaret Peterson Haddix, 68 books
Ray Bradbury, 67 books
Philip Reeve, 66 books
Damon Knight, 66 books
Philip K. Dick, 66 books
Anne McCaffrey, 65 books
Alan Dean Foster, 57 books
Ben Bova, 55 books
Harry Harrison, 55 books
Gardner R. Dozois, 54 books
Jules Verne, 53 books
Orson Scott Card, 53 books
A. E. van Vogt, 50 books
Kevin J. Anderson, 48 books
Ryder Windham, 47 books
Robert A. Heinlein, 47 books