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
John Steinbeck, 7 books
Barbara Sher, 6 books
Barbara Sher, 5 books
Caroline Myss, 5 books
Don Koberg, 5 books
Roy Apps, 4 books
Brian Tracy, 4 books
Joachim de Posada, 3 books
Gay Hendricks, 3 books
Gary Ryan Blair, 3 books
Keith Abraham, 3 books
J. A. Kay, 3 books
Steve Levinson, 3 books
Mack R. Douglas, 3 books
Jim Randel, 2 books
Gary Vurnum, 2 books
W. Miles Cox, 2 books
Bernhoff A. Dahl, 2 books
Karl Martin Bolte, 2 books
Keith Ellis, 2 books
Eric Klinger, 2 books
Leon Tec, 2 books
Michael S. Hyatt, 2 books
Kenneth H. Blanchard, 2 books
Jinny S. Ditzler, 2 books