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
Edward Abbey, 8 books
Nicholas Polunin, 5 books
David T. Suzuki, 5 books
David Ross Brower, 5 books
Jonathan Franzen, 5 books
Emily Hahn, 4 books
Bill McKibben, 4 books
Joy A. Palmer, 4 books
Weir, Robert M, 4 books
Cooper, David E., 3 books
Fen Montaigne, 3 books
Cherie D. Abbey, 3 books
Suzy Gazlay, 3 books
Anne Becher, 3 books
Donna Leon, 3 books
Kevin Graham, 3 books
David Cooper, 3 books
Lee Wallingford, 3 books
Paul Brooks, 3 books
Karna Sakya, 3 books
Jack Loeffler, 2 books
Robert Herring, 2 books
Jitu Kalita, 2 books
T. P. Harmash, 2 books
Mary Alice Monroe, 2 books