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
R. A. Lafferty, 12 books
Keith Laumer, 10 books
Mike Resnick, 9 books
Günter Braun, 4 books
Johanna Braun, 4 books
Drew Williams, 3 books
Evelyn E. Smith, 3 books
Robert Silverberg, 2 books
John Varley, 2 books
Luciana Dias Duarte, 1 book
Marc-Uwe Kling, 1 book
Simon Stephenson, 1 book
P. Z. Reizin, 1 book
Jackson Ford, 1 book
Evelyn E Smith, 1 book
G. G. Melies, 1 book