Hermione glared at Ron as he entered, and then turned to Dumbledore.
Finally, a discussion she liked.
"They're great, Professor. Have you ever sat through one of Professor McGonagall's classes? No matter what year it is, she is fascinating." Talking about her favorite teacher put a smile on her face.
"And the library has so many books that are out of print in the future...oh, I'm sorry." She said nervously, covering her mouth. "I shouldn't discuss it."