A/N: I found this fitting.

29: Black

Ron Weasley knew that he wasn't the brightest bloke out there, but even he thought that the scene in front of him was a bit much. There were dozens of muggles all desperately trying to get inside of some store that was brightly lit.

"Hermione, what does this have to do with the color black?"

Hermione rolled her eyes at her husband. "Honestly Ron, I've explained this ten times already. It is called Black Friday, and it is when everything is heavily discounted."

"Oh," Ron said. "Why are we here?"

Hermione smiled. "Because there are books here!"