Eileen Spinelli is no stranger to the Simon & Schuster Books for Young Readers list. Since her debut in 1991 with Somebody Loves You, Mr. Hatch, an IRA/CBC Children's Choice book and Christopher Award winner, she has gone on to author numerous picture books, poetry collections, and chapter books, including the best-selling When Mama Comes Home Tonight, and the critically acclaimed Sophie's Masterpiece. Eileen lives in West Chester, Pennsylvania.

Jane Dyer is the illustrator of many books for children, including When Mama Comes Home Tonight, Sophie’s Masterpiece by Eileen Spinelli, Roly Poly by Mem Fox, and the New York Times bestselling Cookies series by Amy Krouse Rosenthal. She lives in Northampton, Massachusetts.