Meet Penny, the sweet and curious mouse, in Caldecott Medalist and bestselling author Kevin Henkes's instant classic story for young readers, perfect for fans Lilly's Purple Plastic Purse, Owen, and Chrysanthemum. When Penny comes home from school, she is ready to sing her song. But the babies are sleeping, and Mama and Papa are worried that Penny will wake them up. Oh, but it is a good song, a really wonderful song . . ...