Harry Potter and the Chamber of Secrets
"Books can be misleading," said Lockhart delicately.
"You wrote them!" Harry shouted.
"My dear boy," said Lockhart, straightening up and frowning at Harry. "Do use your common sense. My books wouldn't have sold half as well if people didn't think I'd done all those things. No one wants to read about some ugly old Armenian warlock, even if he did save a village from werewolves. He'd look dreadful on the front cover. No dress sense at all. And the witch who banished the Bandon Banshee had a hairy chin. I mean, come on —" (16.151-153)