What is a summary of one fish two red blue fish?

One Fish Two Fish Red Fish Blue Fish is a children's book written and illustrated by Dr. Seuss. It was published in 1960 and is one of his most well-known works. The book follows the adventures of two fish, who are named One and Two. The fish live in a red and blue house and meet a variety of other creatures, including a dog, a cat, a bird, and a whale. The fish learn about colors and shapes as they go on their adventures, and they also learn to count. The book is written in a rhyming style that is easy for children to follow, and the bright illustrations help to capture their attention. One Fish Two Fish Red Fish Blue Fish is a fun and educational book that has been enjoyed by generations of children.