there was a large iron cage behind the glass that held about a hundred copies of The Monster Book of Monsters. Torn pages were flying everywhere as the books grappled with each other, locked together in furious wrestling matches and snapping aggressively.

Harry pulled his booklist out of his pocket and consulted it for the first time. The Monster Book of Monsters was listed as the required book for Care of Magical Creatures. Now Harry understood why Hagrid had said it would come in useful. He felt relieved; he had been wondering whether Hagrid wanted help with some terrifying new pet.

As Harry entered Flourish and Blotts, the manager came hurrying toward him.

"Hogwarts?" he said abruptly. "Come to get your new books?" "Yes," said Harry, "I need --"

"Get out of the way," said the manager impatiently, brushing Harry aside. He drew on a pair of very thick gloves, picked up a large, knobbly walking stick, and proceeded toward the door of the Monster Books' cage.

"Hang on," said Harry quickly, "I've already got one of those."

"Have you?" A look of enormous relief spread over the manager's face. "Thank heavens for that. I've been bitten five times already this morning --"

A loud ripping noise rent the air; two of the Monster Books had seized a third and were pulling it apart.

"Stop it! Stop it!" cried the manager, poking the walking stick through the bars and knocking the books apart. "I'm never stocking them again, never! It's been bedlam! I thought we'd seen the worst when we bought two hundred copies of the Invisible Book of Invisibility -cost a fortune, and we never found them.... Well... is there anything else I can help you with?"

"Yes," said Harry, looking down his booklist, "I need Unfogging the