The Redford family's beach holiday quickly turns into a dangerous mystery when 12-year-old Kim makes an amazing find in the old Seaview Cottage. She and her brothers Tony, 14, and nine-year-old Joe - with Whisky, their faithful border collie - find themselves caught in an amazing adventure where they must solve one puzzle after another...even inside the skeleton of a long dead whale What is the meaning of the strange message being sent from the ship out at sea and why are security guards stopping them from landing their boat on a secluded beach? Their week of discovery is a thrilling, nail-biting narrative and a worthy successor to their first adventure: The Secret of Flynn's Island. Even reluctant young readers will be excitedly turning the pages to find out what happens next; and teachers will delight in reading the book to their classes because it raises contemporary questions that will add to their pupils' understanding and enjoyment.