A barn owl brought Neville a small package from his grandmother. He opened it excitedly and showed them a glass ball the size of a large marble, which seemed to be full of white smoke.

“It’s a Remembrall!” he explained. “Gran knows I forget things—this tells you if there’s something you’ve forgotten to do. Look, you hold it tight like this and if it turns red—oh...” His face fell, because the Remembrall had suddenly glowed scarlet, “...you’ve forgotten something...”

Neville was trying to remember what he’d forgotten when Draco Malfoy, who was passing the Gryffindor table, snatched the Remembrall out of his hand.

Harry and Ron jumped to their feet. They were half hoping for a reason to fight Malfoy, but Professor McGonagall, who could spot trouble quicker than any teacher in the school, was there in a flash.

“What’s going on?”

“Malfoy’s got my Remembrall, Professor.”

Scowling, Malfoy quickly dropped the Remembrall back on the table.

“Just looking,” he said, and he sloped away with Crabbe and Goyle behind him.