Junior agents Finn, Milo and Tasi, along with a young hacker, Ether, and Arty the microraptor, are dispatched to Scotland to recover stolen technology that could plunge the world into chaos. It's their most nail-biting mission yet-even before they wake a monster from the deep ... All-action adventure series from a fresh voice in middle-grade fiction. Themes: environment, technology, villainous mind-control.