One hippo, all alone, calls two hippos on the phone. So begins Sandra Boynton’s classic counting story, Hippos Go Berserk! Exuberant hippopotamus guests show up in ever-increasing numbers, until an all-night party is inevitable.
![Book Cover: Hippos Go Berserk! A Wild Counting Story](https://www.mathicalbooks.org/wp-content/uploads/2021/09/Hall-of-Fame-Hippos-Go-Berserk-400x320.jpg)
Hippos Go Berserk!
By Sandra Boynton
Illustrated by Sandra Boynton
Year Published: 1977
Mathical Hall of Fame Ages 02–04 Award Year: 2020