If the survivors of the dinosaur devastation thought they had earned a respite, they were dead wrong! Hankering for some home comforts, our heroes find themselves in a place further from their parents than ever imagined – outer space! They find zero mercy in zero-g as they dodge hurtling meteor showers, traverse fields of erupting magma, and rack their brains solving constellation conundrums! Do Zack and his schoolmates realise the gravity of their situation, or will they float off into oblivion?