Nic Walker is devastated. Forced to leave behind his best friends because his parents are moving, the bright twelve-year-old is determined that they all have one final adventure. So when they come across a time machine in a wrecked spaceship, a trip to the future seems like the perfect plan . . . until they discover they can’t get back.
Alarmed to learn they can only move forward, Nic finds them all trapped centuries ahead in a world of jetpacks and flying cars. And with each failed attempt to locate a wormhole and return them to when they belong, the twenty-first-century tween hurtles towards a war that will end humanity.