Shy Charles by Rosemary Wells set of four

This is four of the same book. It is recommended for ages 4-8. Charles is a mouse of few words. He doesn’t like to talk, and he’s perfectly happy playing by himself. But his parents are not happy. “It’s time he played football or joined the ballet,” says Charles’s father. So off Charles goes to ballet class, where he curls up and pretends to be asleep. Football proves even less successful. Will anything bring Charles out of his shell? “A nicely told fable as helpful for their parents as for shy children in need of respect.”