"But if he — you know" — Hermione dropped her voice, glancing nervously around — "if he was trying to — to poison Lupin — he wouldn't have done it in front of Harry."

"He would be stupid to use poison. The Killing Cruse would be a lot quicker and nearly untraceable as long as he performed a few boring everyday spells afterward." said Amelia.

"Yeah, maybe," said Harry as they reached the entrance hall and crossed into the Great Hall. It had been decorated with hundreds and hundreds of candle-filled pumpkins, a cloud of fluttering live bats, and many flaming orange streamers, which were swimming lazily across the stormy ceiling like brilliant watersnakes.

The food was delicious; even Hermione and Ron, who were full to bursting with Honeydukes sweets, managed second helpings of everything. Harry kept glancing at the staff table. Professor Lupin looked cheerful and as well as he ever did; he was talking animatedly to tiny little Professor Flitwick, the Charms teacher. Harry moved his eyes along the table, to the place where Snape sat. Was he imagining it, or were Snape's eyes flickering toward Lupin more often than was natural?

The feast finished with an entertainment provided by the Hogwarts ghosts. They popped out of the walls and tables to do a bit of formation gliding; Nearly Headless Nick, the Gryffindor ghost, had a great success with a reenactment of his own botched beheading.

It had been such a pleasant evening that Harry's good mood couldn't even be spoiled by Malfoy, who shouted through the crowd as they all left the hall, "The dementors send their love, Potter!"

Harry, Ron, and Hermione followed the rest of the Gryffindors along the usual path to Gryffindor Tower, but when they reached the corridor that ended with the portrait of the Fat Lady, they found it jammed with students.

"Why isn't anyone going in?" said Ron curiously.

Harry peered over the heads in front of him. The portrait seemed to be closed.

"Let me through, please," came Percy's voice, and he came bustling importantly through the crowd. "What's the