Another thrilling instalment in Enid Blyton's Adventure series - with a stunning retro look to appeal to a new generation of readers A mysterious trip to the desolate Northern Isles soon turns into a terrifying adventure when Bill is kidnapped! Marooned far from the mainland on a deserted coast, Philip, Dinah, Lucy-Ann and Jack find themselves playing a dangerous game with an unknown enemy. Will they escape with Bill, and their lives?