Children can visit the animals at the Smithsonian Institution's National Zoological Park any time they want with "Let's Go to the Zoo " books from Soundprints and the Smithsonian Institution. Each book follows one animal through a typical day at the National Zoo and is authenticated by specialists at the Zoo.Add interest and dimension to each board book with a companion soft toy created by wildlife experts at the Smithsonian Institution's National Zoological Park.Tiger and his sister learn to stalk and climb by watching their mother.