Enlèvement au club des cinq : Collection : Bibliothèque rose cartonnée

Blurb

Five Have Plenty Of Fun is the 14th novel in The Famous Five series by Enid Blyton. It was first published in 1955.
An American girl, Berta, stays with the five. Mysterious visitors to Kirrin island and a kidnapping combine to make this the adventure of a lifetime. Berta is hiding and only the famous five can protect her.