Ana Dakkar is a freshman at Harding-Pencroft Academy, a five-year high school that graduates the best marine scientists, naval warriors, navigators, and underwater explorers in the world. Ana's parents died while on a scientific expedition two years ago, and the only family's she's got left is her older brother, Dev, also a student at HP. Ana's freshman year culminates with the class's weekend trial at sea, the details of which have been kept secret....

"Fire. Ice. Flood. Three climate disasters. Four kids fighting for their lives. Akira is riding her horse in the California woods when a wildfire sparks--and grows scarily fast. How can she make it to safety when there are flames everywhere? Owen and his best friend, George, are used to seeing polar bears on the snowy Canadian tundra. But when one bear gets way too close for comfort, do the boys have any chance of surviving? Natalie hunkers down at...