My Gym Teacher is an Alien Overlord

Zack and Lara have superpowers. Luke has new school shoes and a burning sense of resentment. He KNOWS that aliens disguised as gym teachers are about to attack Earth but will anyone listen? No. So one dodgy pact with a self-styled supervillain later, and Luke is ready to save the world. He just needs to find his trainers.; Sequel to the bestselling My Brother is a Superhero - over 47 000 copies sold to date. David Solomons is a meteoric new voice in children's fiction - perfect for fans of Frank Cottrell Boyce.