‘Are you really?’ said Hermione. ‘I know all about you, of course – I got a few extra books for background reading, and you’re in Modern Magical History and The Rise and Fall of the Dark Arts and Great Wizarding Events of the Twentieth Century.’

‘Am I?’ said Harry, feeling dazed.

‘Goodness, didn’t you know, I’d have found out everything I could if it was me,’ said Hermione.”
J.K. Rowling, HPatSS