Tadpole loves his rainbow friend, the caterpillar, and she tells him she loves everything about him. "Promise that you will never change." she says. But as the seasons pass and he matures, his legs grow, and then his arms - and what happens to hi beautiful rainbow friend? As he sits on his his lilypad, digesting the butterfly he has just eaten, he little realises that now he will never know! Follow the only-to-be-expected changes of a tadpole and a caterpillar to their natural conclusion - and see the end of a beautiful friendship.
Jeanne Willis is one of our best-loved authors of children's books, and also writes for television and video companies. She has two children. Tony Ross is one of the top UK children's illustrators. His books are published all over the world. He lives in Cheshire.