Unfortunately, this tropical trip isn't for a vacation...

Jackson's quest to save his family and the Sonaeko has led him and his friends to the safety of an ancient outpost.
However, when the outpost's magic fails, Jackson and his friends are forced into dangerous waters, a move that ends with them getting stranded around a series of tropical isles.
Despite the beauty of the shimmering reefs, Jackson and his friends soon discover these islands hold a mystery, a mystery so deadly it could destroy not only the isles themselves, but everything Jackson and his friends have been fighting for! Alarm in the Archipelago is the second book in the Mythos Seas series! Join Jackson and his friends, both new and old, as they dive into the mysteries and dangers of the tropical seas!