Mac Barnett is the author of many beloved picture books for children, including Just Because, illustrated by Isabelle Arsenault; A Polar Bear in the Snow, illustrated by Shawn Harris; John’s Turn, illustrated by Kate Berube; and President Taft Is Stuck in the Bath, illustrated by Chris Van Dusen. He is also the author of several books illustrated by Jon Klassen, including Sam and Dave Dig a Hole, a Caldecott Honor Book and E. B. White Read-Aloud Award winner; the Shapes trilogy; and The Wolf, the Duck, and the Mouse, an E. B. White Read-Aloud Award winner. Mac Barnett lives in California.

Christian Robinson is the best-selling illustrator of several books for children, including Last Stop on Market Street by Matt de la Peña, which was named a Caldecott Honor Book and a Coretta Scott King Illustrator Honor Book; Leo: A Ghost Story by Mac Barnett; Josephine: The Dazzling Life of Josephine Baker by Patricia Hruby Powell, a Robert F. Sibert Honor Book; The Bench by Meghan, the Duchess of Sussex; and Nina: A Story of Nina Simone by Traci N. Todd, a Coretta Scott King Illustrator Honor Book. Christian Robinson lives in California.