Pat Zietlow Miller is a children's book lover and one of the creative forces behind the blog Picture Book Builders where she reviews books for young readers. Her picture books include the New York Times bestseller Be Kind, Sophie's Squash, Wherever You Go, The Quickest Kid in Clarksville, and Remarkably You, among many others. She lives in Madison, Wisconsin.

Jen Hill is the illustrator of several picture books, including Diana's White House Garden by Elisa Carbone, Spring for Sophie by Yael Werber, and Doing Her Bit by Erin Hagar; and is also the author and illustrator of Percy and Tumtum: A Tale of Two Dogs. She is a graduate from the Rhode Island School of Design and lives in Brooklyn, NY with her husband and her intern, Little Bee, who is very helpful for a cat.