"Mrs. O'Connell is such an excellent and very knowledgeable librarian," Hermione mused, "so it is odd.:

Ron helped himself to so enormous a serving of pudding that Harry had to make the observation that had been perplexing the Hogwarts students since the start of the term - their new Librarian, Mrs. O'Connell was very competent, which made the methods of her husband's Defence Against The Dark Arts class so very peculiar. "It's not that 'run' and 'don't touch that are bad advice, but shouldn't we be learning something more?"