Skeleton Key
By Anthony Horowitz

An agent from M-16 headquarters asked if Alex wanted to be a ball boy at a practice soccer game. Alex said, yes! There he meets Sabina and he kind of likes her. Alex finds himself caught up in a scary chain of events that starts from the Chinese Triad gang in London, to an undercover assignment in Cuba. This book is a very good book and the third book in the Alex Rider series. You really need to read this book to find out what Alex gets himself into… and out of.

This book was reviewed by Landon.

Here are a few websites that will help you to understand this book better.
This site is the official website for the Alex Rider book series.
http://www.alexrider.com/
This site has lots of fun gadgets that you can use to spy.
http://spygear.net/