Colin is small, even for a mouse. His mother refuses to let him play outside with his brothers and sisters unless he is wrapped in a big fluffy ball of cotton wool. But instead of keeping him safe, the cotton wool attracts the attention of every fierce creature imaginable - little boys, ducks, even foxes! After a day of being flung, pecked and chased, Colin returns home without his cotton wool, but feeling much BIGGER, and ready to tell his mother that he can look after himself. Les mer