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
Jacques Vallee, 22 books
Jenny Randles, 19 books
J. J. Benítez, 19 books
Kevin D. Randle, 16 books
Antonio Ribera, 12 books
Jerome Clark, 11 books
Brad Steiger, 9 books
John A. Keel, 8 books
Daniel Cohen, 8 books
William J. Birnes, 7 books
John Spencer, 7 books
Ronald Story, 6 books
Peter Brookesmith, 6 books
Le Poer Trench, Brinsley Lord Clancarty, 6 books
Hilary Evans, 6 books
DELETE, 6 books
Philip J. Klass, 6 books
Raymond E. Fowler, 6 books
Stanton T. Friedman, 6 books
Timothy Good, 6 books
Judith Herbst, 5 books
Whitley Strieber, 5 books
Jenny Randles, 5 books
Gray Barker, 5 books
Ed Walters, 5 books


watch for edits or export all records