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
Grace Hansen, 10 books
Sharon Gordon, 6 books
Kristin Petrie, 6 books
Megan M. Gunderson, 6 books
John F. Prevost, 5 books
Kate Riggs, 5 books
Bobbie Kalman, 4 books
Melvin Berger, 4 books
Craig Hatkoff, 4 books
National Geographic Kids, 4 books
Steve Parker, 4 books
Carol K. Lindeen, 3 books
Julie Murray, 3 books
Louise Spilsbury, 3 books
Tammy Gagne, 3 books
Richard Spilsbury, 3 books
Wayne Grover, 3 books
Melissa Stewart, 3 books
Kevin Kurtz, 3 books
Willow Clark, 3 books
Nicola Davies, 3 books
Gail Terp, 3 books
David Yates, 2 books
Kathleen Pohl, 2 books
Sarah L. Thomson, 2 books