Stephanie Calmenson is the author of many acclaimed books for children. They have been called "marvelous" (Publishers Weekly), "lyrical" (School Library Journal), and "sweet, funny, and right on the mark" (ALA Booklist). Her books include Dinner at the Panda Palace, a PBS Storytime Book; Welcome, Baby! Baby Rhymes for Baby Times; Good for You! Toddler Rhymes for Toddler Times; and Kindergarten Kids: Riddles, Rebuses, Wiggles, Giggles, and More!

Nadine Bernard Westcott has illustrated numerous books for children, including How to Grow a Picket Fence by Mary Louise Cuneo and two popular children's songs: There's a Hole in the Bucket and Over the River and Through the Wood. She has also illustrated another book in the Let's-Read-and-Find-Out Science series: I Can Tell by Touching by Carolyn Otto. Ms Westcott lives on Nantucket Island in Massachusetts.