Was the ending of The Boy in the Striped Pajamas by John Boyne effective? Explain.

Was the ending of The Boy in the Striped Pajamas by John Boyne effective? Explain.
Was the ending of The Boy in the Striped Pajamas by John Boyne effective? Explain.

Was the ending of The Boy in the Striped Pajamas by John Boyne effective? Explain.