Jenn Harney is the author-illustrator of Underwear!. She has also illustrated the Hazy Bloom chapter book series by Jennifer Hamburg, as well as the forthcoming picture books How to Become a Knight (in Ten Easy Lessons) by Todd Tarpley and Never Trumpet with a Crumpet by Amy Gibson. Jenn lives in Cleveland, Ohio, with her husband, her daughter, a corgi named Steve, and the ghost of the oldest living goldfish in North America. Follow her on Twitter @jennharknee.