"On an island nation in the Indian Ocean, the explorers venture through a vast underwater world and take part in a friendly robotics competition. The team follo

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

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

Cruz, Sailor, Emmett, and the gang are on their way to Africa when Nebula misses their intended target and someone close to Cruz ends up on the brink of death.

"Cruz and his fellow recruits tackle challenging missions to dispense life-saving medication to gorillas, thwart pangolin poachers, and capture images of the la