Oh man, this is so exciting! I love posting up NPD numbers, but we only ever do it for gaming. Today we have NPD's data on the top 20 adult graphic novels in the US! You can check out the full 20 below, but the real news here is that The Legend of Zelda: Twilight Princess Vol. 5 manga debuted in the #4 spot! Looks like Zelda fans are hungry for more than just games!