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
Martin H. Greenberg, 66 books
Robert E. Howard, 47 books
Margaret Weis, 31 books
L. Sprague De Camp, 29 books
Marion Zimmer Bradley, 26 books
Mercedes Lackey, 24 books
Andre Norton, 23 books
Ray Bradbury, 21 books
Harlan Ellison, 19 books
Orson Scott Card, 19 books
Peter S. Beagle, 19 books
George R. R. Martin, 18 books
Robert Asprin, 18 books
Neil Gaiman, 18 books
Eric Flint, 17 books
Isaac Asimov, 17 books
Roger Zelazny, 17 books
Clark Ashton Smith, 17 books
Jane Yolen, 16 books
Gardner R. Dozois, 16 books
Terry Brooks, 16 books
Ursula K. Le Guin, 15 books
R. A. Salvatore, 15 books
Michael Ashley, 15 books
Piers Anthony, 14 books