Ten years ago every superhero and supervillain on Earth disappeared in one final battle, and nobody has explained it since. As the anniversary of Mystery Day comes round, thirteen-year-olds Danny and Colin start developing powers of their own, work out that their parents were part of the missing generation, and are promptly kidnapped by a man building a machine to strip powers away. Behind all of it is Quantum, a hero whose gift for seeing the future drove him mad, and who saw one particular thing about Danny. First of Michael Carroll's New Heroes books.