Hillgartner works as the editorial director and creative writer for Gateway Learning Company. He and his wife for 20 years have been writing under the pen name of Jahnna N. Malcolm.
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PULITZER PRIZE FINALIST • A NEW YORK TIMES NOTABLE BOOK • NEW YORK TIMES BESTSELLER • FINALIST FOR THE NATIONAL BOOK CRITICS CIRCLE AWARD FOR NONFICTION • KIRKUS PRIZE WINNER • From the author of the landmark bestse... SEE MORE