By Bill Martin, Jr., Author & Eric Carle, Illustrator. In celebration of Brown Bear's fiftieth anniversary and Baby Bear's tenth anniversary, all four Bear Book board books are available together for the first time in this gift set. Young readers will love discovering each story and its individual theme: the colors of the classic Brown Bear, the sounds of Polar Bear, the endangered species of Panda Bear, and the North American animals of Baby Bear. Set contains: Brown Bear, Brown Bear, What Do You See? - Polar Bear, Polar Bear, What Do You See? - Panda Bear, Panda Bear, What Do You See? - Baby Bear, Baby Bear, What Do You See?. For ages 1 and up.