Book Title

[fiona_m]

Hi, I REALLY need some help here, so if ANYONE knows the title of this book, I would be eternally grateful as it if AS English Language class.

I read this book some time last year, and I want to base my orginial writing piece on it, but I can't think of what the book was called, all I know is that:

It was about kids doing military/intelligence work

Only foster kids/orphaned kids were admitted

They were trained for intelligence operations

The main character has a obese/fat mum who dies, and a step-dad who he hates, and doesn't take responsibility for him, so the main character ends up in foster care in a care home.

The step-dad takes responisbility for his daughter, but eventually the daughter ends up in care as well, and ends up being part of this organisation.

The main character is a youngish boy

The tag line is something like, who would suspect a kid, but its NOT Alex Stone!

I would appreciate any help,

Fee xx