Mission: Microraptor

Falling behind their classmates on a school trip to the Alps, Finn and Milo stumble upon an egg buried in ice. Later that night it hatches and a sixty-five million-year-old baby is born: Arty is a microraptor brought back from extinction. But keeping her safe proves harder. Wicked scientists will do anything to get their hands on her, and soon Finn and Milo must run for their lives ...