Crocodile Tears by Anthony Horowitz

A fourteen-year-old teenage boy called Alex Rider had been recruited as a spy since the death of his uncle, Ian Rider. He had saved the world six times within a year, but the costs were: a wound from a sniper, fighting with someone twice the size of him, having your friends and family in danger or even worse.

Finally, this time he thought that he could get away from being a teenage spy and continue his school life just like other ordinary people.

However, another ambitious person wanted to rule the world again. But this time, Alex will face something unimaginable...