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
Michael Dahl, 16 books
Eric Luper, 15 books
Thomas Kingsley Troupe, 12 books
Chris Grabenstein, 11 books
Xavier Bonet, 7 books
D. J. MacHale, 7 books
Dori Hillestad Butler, 6 books
Rachel Caine, 5 books
Daniel Kirk, 5 books
Nancy K. Wallace, 5 books
Marc Brown, 4 books
Cressida Cowell, 4 books
Bob Ostrom, 4 books
Cari Meister, 4 books
Petar Kostadinov, 4 books
Amanda Stjohn, 4 books
Eoin Colfer, 3 books
Django Wexler, 3 books
Jessica Spanyol, 3 books
Lucy Cousins, 3 books
Herman Parish, 3 books
Barbara Ann Porte, 3 books
William Alexander undifferentiated, 3 books
Steve Brezenoff, 3 books
Daphne Pendergrass, 3 books