Clifftoppers: The Thorn Island Adventure - Fleur Hitchcock - Bog

For Aiden, Chloe, Ava and Josh, holidays at their grandparents' cottage mean wild beaches, no curfew, Bella the dog, and most of all - adventure!While sailing their grandad's boat along the coast with her cousins, Chloe sees a terrified face at a tower window on Thorn Island.