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. David McPhail has written and illustrated more than fifty books for children, including the New York Times bestselling When Sheep Sleep by Laura Numeroff (Abrams), When Papa Comes Home Tonight by Eileen Spinelli (BFYR), and his own Mole Music (Holt), which was a New York Times Book Review Best Illustrated Book of the Year. He lives in Rye, New Hampshire.