In the book Stormbreaker it's about a boy named Alex whose parents die in a plane crash and is forced to live with his uncle Ian. What Alex doesn't know is that his uncle is actually a secret agent for MI6 a top spy agency in London. While on a mission Ian was killed before he was able to solve his case and when Alex gets home the police at his house telling there house keeper the bad new. Now MI6 is a one spy short and they want Alex to fill that spot they think Alex is ready because his uncle was secretly training him waiting for the day that Alex goes to MI6. Now Alex has to finish the case his uncle didn't. To see what happens next read the book Stormbreaker