'Gunk Aliens: The Verruca Bazooka' by Jonny Moon. They don't want our oil, our water or even our brussels sprouts - they just want our snot! Jack loves to invent things - but even he coudn't make this up. After all, who could believe that an ordinary 9 year old boy would get recruited into a secret agency to help stop an alien invasion? Approx age 7+. Rrp £4.99.