AN: Inspired by a funny HP list of things not allowed at Hogwarts.
Disclaimer: HP and characters do not belong to me. Neither does a calculus textbook.
Post Owl Dedication
"That's what?"
"A textbook."
"For what?"
"Calculus."
"What?"
"It's a Muggle math class, Ron"
"And you're voluntarily taking this?"
"It's fun Ron. Harry, hit him on the back. He's choking again."
…
"Blimey, 'Mione. You're crazy."
"Don't be ridiculous. It's called being educated."
…
"Besides. It's such a pretty textbook."
Choke
"Can you imagine that poor owl, Harry? I'm surprised it managed to get off the ground with that thing, never mind all the way here from wherever she bought that thing. "
"Shh! She'll hear you."