25 Things You Didn't Know About Harry Potter

This is the real Chamber of Secrets.

Did you know that more kids were admitted to the ER the weekend before Harry Potter books were released than the weekend after? Or that Bellatrix Lastrange means Female Warrior?

Mental Floss explains a bunch of random Harry Potter book trivia just like the facts above that you probably didn't know. But beware, if you're still reading the books for some reason there will be spoilers.

Proceed with caution.

(H/T: Neatorama)