Five Have Plenty Of Fun is the fourteenth book in Enid Blyton's Famous Five series. The children are staying at Kirrin Cottage when they meet a spoiled, arrogant girl who pretends to be George. The real George is kidnapped by criminals who mistake her double for the actual George. The remaining four children and Timmy must solve the mystery of the double and rescue the real George from the villains, leading to a complex and exciting adventure.