Harry would have talked to Dumbledore about the Textbook (as Hermione suggested). I can't really think of anything to say about the lessons though.
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Harry Potter: if anyone had any common sense
RandomSiriusly NOBODY has common sense in Harry Potter --------------------------------------------------------------------- THIS BOOK IS A JOKE. I LOVE HARRY POTTER.
Harry Potter and the Half Blood Prince
Harry would have talked to Dumbledore about the Textbook (as Hermione suggested). I can't really think of anything to say about the lessons though.