Boynton, Sandra; Hippos Go Berzerk! Board Book

Exuberant hippopotamus guests show up in ever-increasing numbers, until an all-night party is inevitable. Hippos Go Berserk! is the first book ever published by children’s book master Sandra Boynton, and is perfect for travel time, bedtime, or PARTY TIME!

One hippo, all alone,
calls two hippos on the phone.
Three hippos at the door
bring along another four.