"Potter, come with me." Professor McGonagall found Harry doing his homework in the Library.
Her expression was very stern, but after seeing Harry's neatly written essay, it softened a little.
"Huh?" Harry froze for a moment at the sight of Professor McGonagall suddenly appearing beside him, then hurried to his feet. "Yes, Professor... where are we going? Has something happened?"
"Come with me first." Rather than answering directly, Professor McGonagall led Harry straight out of the Library, paying no attention to Hermione, Ron, and the others beside them, who looked utterly bewildered.
Harry felt a little uneasy. Being sought out by a professor was usually not a good thing.
The Twins of the Weasley family had plenty of experience with that. Almost every time Professor McGonagall came looking for them, it meant a day or two of detention.
But Harry thought back carefully. He did not seem to have done anything lately; he had been very well behaved.
Over the past few days, he had either been studying hard or training hard for Quidditch, just like most of the students on the house teams.
If there was anything slightly different, it was that he now had a notebook by an unknown author-the Marauders' Notes.
But although the notebook contained quite a few advanced spells, there should not have been any prohibited magic among them. There was not even any Dark Magic in it.
Animagus magic was very rare, and legally speaking, anyone who mastered it needed to register with the Ministry of Magic. But practicing the magic itself was not illegal-Harry had specifically checked.
While Harry was still letting his thoughts wander, he discovered that Professor McGonagall had already brought him to the entrance to the Headmaster's Office.
Going to the Headmaster's Office was generally not a good thing. But