Storm Warning

Amy and Dan Cahill are on the trail of the 39 Clues, a collection of powerful objects that could be used to control the world. They travel to the Caribbean in search of the next clue, but they are pursued by their enemies, the Madrigals.
Amy and Dan must use all of their skills and resources to stay one step ahead of the Madrigals and find the next clue. Along the way, they learn more about the history of the 39 Clues and the power they possess.
Storm Warning is a thrilling adventure story that will keep readers on the edge of their seats. It is a great read for fans of mystery, suspense, and adventure.