Kate Havelin has written more than a dozen books for young people, including biographies of Queen Elizabeth I, Ulysses Grant, and Che Guevara. The Amelia Bloomer Project included her Victoria Woodhull: Fearless Feminist in its recommended list of books.

Havelin has also written two trail guidebooks for adults, Minnesota Running Trails: Dirt, Gravel, Rocks & Roots and Best Hikes of the Twin Cities, both of which received awards from the Midwest Book Awards. When she's not writing, she likes to read, run, hike, kayak, ski, or snowshoe. Havelin lives in St. Paul with her husband and two teenage sons.