Can the new Famous Five catch the thief and find the forgotten treasure before it's too late? Join the original Famous Five and a new group of children in this exciting new adventure by bestselling author Chris Smith, inspired by Enid Blyton.

When Fran, Tom, Maddy and Gilbert the dog stay with Professor George Kirrin for the holidays, they soon find themselves caught up in a robbery of a top-secret treasure map. Professor George will have to tell them about an old case of the Famous Five if they're ever going to catch the thief and rescue the forgotten treasure...