Five Go Off in a Caravan is the fifth book in Enid Blyton's Famous Five series. The children decide to take a holiday without their parents, renting two caravans to travel the countryside. They find themselves camping near a circus. They quickly encounter a suspicious group of travelling performers involved in a secret, likely criminal, activity. The children become involved in the mystery, using their caravans as their base of operations as they attempt to catch the villains.