Greenleaf originated and produced two nonfiction series—American Pastfinder, and Cities Through Time for the Lerner Publishing Group. Both are intended for 9- to 12-year-olds.

Greenleaf has also developed two new series seeking a publisher: bio., and Taking Flight. Both are aimed at middle readers.

image of book The first, bio., emphasizes the childhood of notable people and its influence on their accomplishments. Click to enlarge.
image of book The second, Taking Flight, chronicles the development of aviation. It takes a fascinating problem-to-solution approach in describing key advances in aviation technology. Click to enlarge.

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