forgetting Albus Dumbledore. I don't think anything could hurt Harry at Hogwarts while Dumbledore's headmaster. I suppose he knows about all this?"

"Of course he knows. We had to ask him if he minds the Azkaban guards stationing themselves around the entrances to the school grounds. He wasn't happy about it, but he agreed."

"Not happy? Why shouldn't he be happy, if they're there to catch Black?"

"Dumbledore isn't fond of the Azkaban guards," said Mr. Weasley heavily. "Nor am 1, if it comes to that... but when you're dealing with a wizard like Black, you sometimes have to join forces with those you'd rather avoid."

"If they save Harry then I will never say another word against them, said Mr. Weasley wearily. "It's late, Molly, we'd better go up...."

Harry heard chairs move. As quietly as he could, he hurried down the passage to the bar and out of sight. The parlor door opened, and a few seconds later footsteps told him that Mr. and Mrs. Weasley were climbing the stairs.

The bottle of rat tonic was lying under the table they had sat at earlier. Harry waited until he heard Mr. and Mrs. Weasley's bedroom door close, then headed back upstairs with the bottle.

Fred and George were crouching in the shadows on the landing, heaving with laughter as they listened to Percy dismantling his and Ron's room in search of his badge.

"We've got it," Fred whispered to Harry. "We've been improving it." The badge now read Bighead Boy.

Harry forced a laugh, went to give Ron the rat tonic, then shut himself in his room and lay down on his bed.

So Sirius Black was after him. This explained everything. Fudge had been lenient with him because he was so relieved to find him alive. He'd made