A thrilling tale of adventure, romance, and one girl's unyielding courage through the darkest of nightmares.Epidemics, floods, droughts—for sixteen-year-old Lucy, the end of the world came and went, taking 99% of the population with it. As the weather continues to rage out of control, and Sweepers clean the streets of plague victims, Lucy survives alone in the wilds of Central Park. But when she's rescued from a pack of hunting dogs by a mysterious...

Ten-year-old Adelaide Banks is the new girl at the Space Education and Action School, and for her first mission is to investigate why Planet Polare's ice is melting and putting its alien life forms in danger--but in addition to dangerous aliens and a lethal environment, she also has to contend with her bullying roommate, Valentina, who is also on the assignment.