The babies on the bus singLA-LA-LA! LA-LA-LA! LA-LA-LA! Jump on the bus with Karen Katz's adorable babies as they take a classic song for an all-new ride! This irresistible picture book by the popular author of The Colors of Us, Counting Kisses, and Where Is Baby's Belly Button? will steal your heart. | The Babies on the Bus by Karen Katz, Hardcover | Indigo Chapters