The fourth exciting installment in Enid Blyton\'s Adventure series A mysterious trip to the desolate Northern Isles soon turns into a terrifying Adventure when Bill is kidnapped.
Will they escape with Bill and their lives?.
Marooned far from the mainland on a deserted coast, Philip, Dinah, Lucy-Ann, Jack, and Kiki the parrot find themselves playing a dangerous game with an unknown enemy.
The fourth exciting installment in Enid Blyton\'s Adventure series A mysterious trip to the desolate Northern Isles soon turns into a terrifying Adventure when Bill is kidnapped