Award winning book banned in Maryland schools

Can you guess which book?

"Harford County schools superintendent has decided to remove a book from the high school curriculum, saying its message on the dangers of bullying is overshadowed by instances of vulgar language including homophobic slurs."

see, http://www.baltimoresun.com/news/local/harford/
bal-md.ha.book10apr10,0,2156015.story?coll=bal-local-harford