Wayne is searching for buried treasure sunk with a Spanish galleon off the Florida coast when a storm arises and his dolphin friend comes to his rescue.

"Sophia bravely dives down to discover the secrets under the sea. She encounters beautiful fish and floating forests. Farther down, the dark water is full of tentacles and treasures. Deep underwater, she is never alone. Do you dare dive down after her?"--

Sage is used to being the fastest runner, the quickest climber, and the strongest swimmer around. And she's also used to taking charge. But when the second race course has the red team diving underwater to explore the Great Barrier Reef, it's trusting her teammates that matters most. It's sink or swim time....Each chapter in this action-packed adventure series is bursting with totally true facts about wild and wonderful creatures, dangerous habitats,...

A true tale of adventure in which two weekend scuba divers risk everything to solve a great historical mystery and make history themselves. For John Chatterton and Richie Kohler, deep wreck diving was more than a sport. Testing themselves against treacherous currents, braving depths that induced hallucinatory effects, navigating through wreckage as perilous as a minefield, they pushed themselves to their limits and beyond, brushing against death more...