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
Jules Verne, 275 books
James Axler, 224 books
H. G. Wells, 217 books
Brian W. Aldiss, 144 books
Robert Silverberg, 129 books
Poul Anderson, 123 books
Philip K. Dick, 121 books
Kevin J. Anderson, 114 books
Jack London, 112 books
Michael Moorcock, 108 books
Edgar Rice Burroughs, 105 books
Ben Bova, 105 books
Gordon R. Dickson, 100 books
Jack London, 99 books
I. T. Lucas, 99 books
Isaac Asimov, 95 books
Philip José Farmer, 92 books
Arthur C. Clarke, 86 books
Harlan Ellison, 85 books
Andre Norton, 82 books
David Drake, 81 books
Chris Kennedy, 80 books
A. R. Knight, 80 books
Harry Harrison, 75 books
Piers Anthony, 69 books