'Delphie and the Birthday Show' by Darcey Bussell, the 6th in the series of Magic Ballerina books. Delphie's magic ballet shoes are feeling too tight, but she doesn't want to give them up. Before she has time to worry, Enchantia needs her help! King Rat is trying to spoil the Queen's birthday show - can Delphie stop him? Approx age 5-8 years. Other titles from the series available separately.