"Of course you will learn to swim," said the Good Wolf. "It is one of the first things you have to do when you are wrecked on a desert island." By the time they decided to come out of the water Barty knew that it would not be long before he could swim as if he were a little fish. He felt so proud and happy that he sang out loud as he run up and down in the sun to dry himself before he put on his clothes again. There are no towels on desert islands.