12 - Hawaiian Sea Hunt Mystery by Andy Adams

Dive into an electrifying adventure set against the stunning backdrop of Hawaii. Join Biff Brewster, his father, and a band of friends as they embark on a thrilling quest. They must locate a lost sloop and unearth the secrets of a priceless mine before ruthless criminals beat them to it. These villains have taken an elderly scientist hostage, the only one who holds the key to this mystery. Expect heart-stopping moments of action, both on land and under the sea. This is more than a hunt, its a race against time and evil.