This second original hardcover novel tells the all-new adventures of Maisie Lockwood as she navigates a world filled with dinosaurs both ferocious and friendly. When Maisie, Owen, and Claire track Blue to Yosemite, they find her tracker in the park, but the dinosaur is nowhere to be found. Owen and Claire decide they should stay for until they locate Blue, and that means Maisie has to go on her most exciting adventure yet--school! She's nervous, but quickly makes new friends but also discovers there are six dinosaurs that need their protection. Unfortunately, there's also a predator hunting in the area. Is it Blue, or is there a more dangerous carnivore on the loose? Maisie will need all of her skills and bravery to save her new friends and the Yosemite Six.