The Great Birthday Bird says, "Hop to it! Get dressed! Today is your day. It"s the Best of the Best!" Based on Dr. Seuss"s Happy Birthday to You!, this fun-filled interactive book has elements to touch, move, and smell. Presented in the original book"s spiffy color palette of yellow and red, Happy Birthday, Baby! helps babies and toddlers celebrate their day of all days with the Great Birthday Bird and everybody else! Dr. Seuss is quite simply the most beloved children"s book author in the world.