When Simon finds a magic hippopotamus which shrinks if anyone says a word meaning "small" and grows again if he hears the word "hippopotamus" he discovers that his new pet is not easy to look after.
Age- 3+
Grade - Pre-K+
Author - Robert Leeson
Format - Paperback
Pages - 32
Dimensions - 5.51 x 0.12 x 7.91 inches
