The Boy In The Striped - Pajamas
Boyne has said he wrote a fable, not a textbook. He is not trying to teach you the logistics of the Holocaust; he is trying to teach you the morality of it.
There are some books that you read. And then there are books that happen to you. John Boyne’s The Boy in the Striped Pyjamas definitely falls into the latter category. The Boy in the Striped Pajamas
If you want to learn the facts of WWII, read Night by Elie Wiesel. Read Man’s Search for Meaning by Viktor Frankl. Boyne has said he wrote a fable, not a textbook