Baby Hippopotamus (San Diego Zoo Animal Library, 5)

For ages 4-8. The 'San Diego Zoo Animal Library Series' gives youngsters the opportunity to learn about many animals, most of which can only be seen in zoos. Some of these animals are endangered. Others are rapidly disappearing from the earth. The Library offers the chance to learn about these animals before they are gone forever. And each volume of the Library is numbered. Collect them all and provide your child with an encyclopaedia of animal life.