Always (Once #7) by Morris Gleitzman

Always stay hopeful.
That's my motto.
You're probably thinking, He's a dreamer, that Wassim.
What's he got to be hopeful about?
He's ten years old and look at his life.
Thanks, but it's not so bad.
I've got a lot to be hopeful about.
Specially now there's a person who can help me.
A person called Felix Salinger.

The much-anticipated final journey in the story of Felix, hero of Morries Gleitzman's multi-award-winning Once, Then, After, Maybe and Now.