Tony Johnston is the award-winning author of more than a hundred beloved children's books. She lives with her family in San Marino, California, where she grew up.
Hadley Hooper works as an editorial illustrator for numerous magazines and newspapers. In 2011 she illustrated Here Come the Girl Scouts! by Shana Corey. The Iridescence of Birds was her second picture book and first for Roaring Brook Press. She lives in Denver, Colorado.