Amazon.com Book Description (ISBN 0330448366, Paperback)

Enid Blytons classic adventure series fantastically repackaged for a new generation of readers. When Bill takes Philip, Dinah, Lucy-Ann and Jack on a mysterious trip to the desolate northern isles, everything looks set for an exciting time. But then Bill is kidnapped and the children, marooned far from the mainland, find themselves playing a dangerous game of hide-and-seek with an unknown enemy.