This is great metafiction! This is what got me started in this genre. I read this when I was 12-13 yo and it's still a good read now that I'm over double that age. Great philosophical read too, that youngsters can digest.

More books by this author

Sophie's World: A Novel about the History of Philosophy (Turtleback School & Library Binding Edition)

The Orange Girl

The Christmas Mystery: A Novel

Sofies Welt