Robie H. Harris is known for her straightforward, insightful storytelling and for tackling young children’s everyday moments with warmth, candor, and wit. Her acclaimed books include It’s Not The Stork!, Don’t Forget To Come Back!, and, for older readers, It’s Perfectly Normal and It’s So Amazing! In writing Leo’s story, Robie hoped to capture and give voice to the complicated and conflicting feelings every child has toward a parent. Robie lives in Massachusetts and her Web site is www.robieharris.com.

Molly Bang has written and illustrated books for children for over twenty-five years and is the recipient of three Caldecott Honors. Her illustrations for such books as When Sophie Gets Angry—Really, Really Angry… and The Paper Crane have been hailed as “masterfully evocative of mood and place” (Booklist). Molly was intrigued by the thoughtful way in which Robie dealt with this topic and was eager to work with her. Molly lives in Massachusetts and California and her Web site is www.mollybang.com.