‘So, the first question we must ask ourselves is, what is a Boggart?’ Hermione put up her hand. ‘It’s a shape-shifter,’ she said. ‘It can take the shape of whatever it thinks will frighten us most.’ ‘Couldn’t have put it better myself,’ said Professor Lupin, and Hermione glowed. ‘So the Boggart sitting in the darkness within has not yet assumed a form. He does not yet know what will frighten the person on the other side of the door. Nobody knows what a Boggart looks like when
