Harry Potter and the Prisoner of Azkaban (Harry Potter, #3)

by J.K. Rowling

Non-magic people (more commonly known as Muggles) were particularly afraid of magic in medieval times, but not very good at recognizing it. On the rare occasion that they did catch a real witch or wizard, burning had no effect whatsoever. The witch or wizard would perform a basic Flame-Freezing Charm and then pretend to shriek with pain while enjoying a gentle, tickling sensation. Indeed, Wendelin the Weird enjoyed being burned so much that she allowed herself to be caught no less than forty-seven times in various disguises.

While Muggles have been told that Black is carrying a gun (a kind of metal wand that Muggles use to kill each other),

Professor McGonagall opened the classroom door at that moment, which was perhaps lucky; Hermione and Ron were looking daggers at each other, and when they got into class, they seated themselves on either side of Harry and didn’t talk to each other for the whole class.

Hermione went very red, put down her hand, and stared at the floor with her eyes full of tears. It was a mark of how much the class loathed Snape that they were all glaring at him, because every one of them had called Hermione a know-it-all at least once, and Ron, who told Hermione she was a know-it-all at least twice a week, said loudly, “You asked us a question and she knows the answer! Why ask if you don’t want to be told?”

Harry and Ron looked around at Hermione. They could see her forehead reddening over the top of her book, which was upside down.

If only there had been a dementor around.

“P-P-Professor McGonagall!” Hermione gasped, pointing into the trunk. “Sh-she said I’d failed everything!”

“Hermione, I don’t know what’s gotten into you lately!” said Ron, astounded. “First you hit Malfoy, then you walk out on Professor Trelawney —” Hermione looked rather flattered.

“I’m not distressed, I’m trying to tell them what happened!” Harry said furiously.

“I’m not distressed!”, he said in distress