Jack's little sister, Susie, is so annoying! The Secret Seven are furious when they discover she's formed her own "detective gang"! Then some money is stolen, and Susie is a chief suspect. The Seven can't quite believe it - Susie wouldn't do anything that bad...would she?

Birthplace: West Dulwich, London Whereabouts: Deceased Enid Blyton died in 1968 but remains one of the best-known and best-loved writers of children's stories. She is consistently voted a children's favourite in author polls. She has over 600 children's books to her credit, including the Famous Five series, the Secret Seven series, the Naughtiest Girl series (all Hodder) and the Malory Towers and St Clare's series (both available from Hodder on audio).