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
J. J. Benítez, 27 books
Jenny Randles, 26 books
Maximillien De Lafayette, 23 books
Jacques Vallee, 22 books
Kevin D. Randle, 20 books
Jerome Clark, 15 books
Antonio Ribera, 13 books
John Spencer, 12 books
Brad Steiger, 11 books
Preston E. Dennett, 10 books
Stanton T. Friedman, 10 books
Timothy Good, 10 books
Hilary Evans, 9 books
Raymond E. Fowler, 9 books
Nicholas Redfern, 9 books
William J. Birnes, 8 books
J. Allen Hynek, 8 books
John A. Keel, 8 books
Coral E. Lorenzen, 7 books
Erich von Däniken, 7 books
Terry Deary, 7 books
Gray Barker, 7 books
Daniel Cohen, 7 books
Lucky Fortune, 6 books
Germain Lumiere, 6 books