In a world where gravity is losing strength and "lightweights" suddenly vanish into the sky, it's survival of the fattest for bulky Adam Weaver and his family. With Zero G seemingly imminent, the Weavers embark on a dangerous journey to reach and board NASA's Ark, a massive space craft that represents the last hope for Earth's survivors. Is there really a spaceship? Will the Weavers gain passage? And can a kid who once got picked on for being overweight prove that heroes come in all sizes? With danger in every encounter, theirs is a quest like no other, taking readers to new heights of adventure and imagination. So hold on tight and get ready to experience Zero Gravity!