21 insanely difficult 'Harry Potter' trivia questions even die-hard fans have trouble with

Do you consider yourself to be an expert on all things "Harry Potter"? There are many internet hubs perfect for putting that knowledge to the test, from discussions on the /r/harrypotter to user-submitted quizzes on Goodreads.

In order to track down the toughest "Harry Potter" trivia questions, we put our own memory to the test on Scholastic's "Wizard's Challenge" - an online quiz with a wide range of difficulty.

Combining expert-level questions found there along with some doozies asked during a New York City trivia night, we've compiled a list sure to challenge the average "Harry Potter" fan.

Scroll down to test your wizardry. The questions are above the photos, and the answers are below the photos.