A heart-pounding final showdown changes the life of Cruz Coronado forever in the seventh and final book in this thrilling fact-based fiction series. Amid assign

Twelve-year-old Cruz Coronado leaves his home in Hawaii to study and travel with other young people invited to attend the elite Explorer Academy in Washington,

NOW IN PAPERBACK: On an island nation in the Indian Ocean, the explorers venture through a vast underwater world and take part in a friendly robotics competitio

A New York Times Bestseller! As seen on The Today Show, Rachael Ray, and Kelly and Michael. From the Emmy-Award winning host of Survivor, Jeff Probst, with Midd

An explosive revelation and a familiar face in the sixth book in this adventure-packed series. Still reeling from the life-changing discovery he found buried in