<p>Aliens are coming... to get up your nose!</p><p><em>They don't want our oil. They don't want our water. They don't want our Brussels sprouts. (Actually neither do we.) They just want our snot!</em></p><p>Jack loves to invent things - but even he couldn't make this up. After all who could believe that an ordinary nine-year-old boy would get recruited into a secret agency to help stop an alien invasion?</p>