Secret Seven Mystery - BBC Audio Author:Sarah Greene The Seven search for a missing schoolgirl in this exciting story, read by Sarah Greene. A girl runs away from home - and it's up to the Seven to find her! Jack's little sister Susie is up to her usual tricks - but she can't put the Seven off the trail of clues. Can they track down Elizabeth, and discover who stole the money from her school? Enid... more » Blyton is one of the best-known and best-loved authors of all time. In polls, she is consistently voted a children's favourite and over a million of her books are borrowed from libraries each year. She wrote over 600 children's books, including the bestselling "Famous Five" and "Secret Seven" series.« less