Naruto, 2 Black Butler books, Yu-Gi-Oh! GX, Bleach, Black Bird, Soul Eater, Death Note Black, new K-On!, Hetalia

Read the whole article on The Anime News Network (http://www.animenewsnetwork.com/news/2011-04-08/new-york-times-manga-best-seller-list-march-27-april-2)