Age range 9+ Ravenclaws the world over will find their place in The Unofficial Harry Potter Jokes Book: Raucous Jokes and Riddikulus Riddles for Ravenclaw. This third book in the series dives deeper into this magical universe, poking fun of every wizard and muggle from Hogsmead to the Ministry of Magic itself. Jokes include clever lines such as: What do you get when you cross a Ravenclaw with the infirmary? Ill-literacy We value wit, humor…and brains! Or maybe we’re just “for the birds.” Who are we? Ravenclaw Why did everybody want to take Professor Flitwick's class? Because he was so "charming." Why did Gilderoy Lockhart team up with Nearly Headless Nick? He needed a ghost-writer.