Dive I: Discovery
By Gordon Korman

Kaz, Star, Adrianna, and Dante are on a marine expedition for the summer, diving to explore an underwater habitat that's just been altered by a seismic event. What they find, though, is much more than fish -- it's sunken treasure.

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Dive II: The Deep
By Gordon Korman
Available in June

The "adults" in the expedition are trying to convince Kaz and the crew that their sunken treasure ship is nothing more than a prop from an old movie. When they figure out that it is real, they also realize that it will take ingenuity and teamwork to get back what's rightfully theirs.

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Dive III: The Danger
By Gordon Korman
Available in July

The kids found sunken treasure. The adults want to keep it for themselves. But there's a chance that both will lose it if they don't act fast. Our heroes learn that trust is more vital than air in the thrilling, shark-infested conclusion to this underwater trilogy.