Peretti

Jay and Lila Cooper are back for another adventure, this time in search of a young treasure-seeker whose ambitions drove him to the bottom of a pit, never to return. In their struggle to understand what happened to him, the Coopers learn of a greedy, man-

After an argument with her father, a sullen Lila Cooper boards an Air Force flight from Japan to the U.S. Her brooding is interrupted when a sudden hijacking leads to a scuffle and an explosion, causing the plane to plummet toward the Pacific Ocean. Trapp

When teenagers Jay and Lila Cooper and their archaeologist father travel to Nepur, an uninviting land of deserts and danger, they must search to uncover the truth behind an ancient legend. Locals claim that inside a dark cavern called the Dragon's Throat

A rescue mission leads Jay and Lila Cooper to a doomed South Sea island where nothing is as they expected. Instead of a primitive civilization, the Coopers encounter a busy colony with a mysterious leader claiming to be Adam MacKenzie, a missionary once p