Leo Lionni

To keep from being eaten, an inchworm measures a robin's tail, a flamingo's neck, a toucan's beak, a heron's legs, and a nightingale's song.

When his friend, the tadpole, becomes a frog and leaves the pond to explore the world, the little fish decides that maybe he doesn't have to remain in the pond either.

Three selfish frogs quarrel over who owns their pond and island, until a storm makes them value the benefits of sharing.

A little black fish in a school of red fish figures out a way of protecting them all from their natural enemies.