August 31, 2021
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About the Author
Lisa Graff is the author of middle-grade novels as well as picture books, including It Is Not Time for Sleeping, illustrated by Lauren Castillo. As a child, Lisa often wondered about the secret adventures of the little men in the walk signals. She lives with her family in Pennsylvania. lisagraff.com, Twitter: @lisagraff. Christophe Jacques is an illustrator living and working in Flanders, Belgium, where the walking-signal man is green instead of white. Instagram: @atelier_la_fermette.