Phillis Gershator has written many picture books for children, including When It Starts to Snow (Henry Holt), Listen, Listen (Barefoot Books), and Time for a Hug, Time for a Bath, and Time for a Nap (all Sterling). Phillis worked as a children's librarian for the Brooklyn Public Library and the St. Thomas/St. John Department of Education. She lives with her husband and frequent coauthor, David, in the US Virgin Islands. For more information about Phillis, see phillisgershator.com.
 
David Walker is the illustrator of numerous children's books, including Before You Were Mine (Putnam), Time for a Hug (Sterling), Time for a Nap (Sterling), and Bears on Chairs (Candlewick) to name a few. When not walking his dogs or laughing with his kids, he can be found painting in his studio in Chapel Hill, NC. To see more of David's work, please visit his website at davidwalkerstudios.com.