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
James Axler, 224 books
Brian W. Aldiss, 145 books
H. G. Wells, 134 books
Robert Silverberg, 132 books
Poul Anderson, 124 books
Philip K. Dick, 122 books
Kevin J. Anderson, 114 books
Michael Moorcock, 102 books
Ben Bova, 100 books
Gordon R. Dickson, 100 books
Andre Norton, 94 books
Philip José Farmer, 92 books
Isaac Asimov, 90 books
Arthur C. Clarke, 80 books
David Drake, 75 books
Chris Kennedy, 74 books
Jules Verne, 72 books
Edgar Rice Burroughs, 71 books
Piers Anthony, 69 books
Larry Niven, 67 books
Orson Scott Card, 65 books
Eric Flint, 64 books
C. J. Cherryh, 64 books
Alan Dean Foster, 64 books
William C. Dietz, 62 books