We’re a week late on this, but in case you hadn’t heard, Sept. 21–27 was Banned Books Week. Below is the current list of the 10 most frequently challenged books in school libraries. Some of them make a certain sense (50 Shades of Grey, for instance), but Bone?

1. Captain Underpants (series), by Dav Pilkey
   Reasons: Offensive language, unsuited for age group, violence
2. The Bluest Eye, by Toni Morrison
   Reasons: Offensive language, sexually explicit, unsuited to age group, violence
3. The Absolutely True Diary of a Part-Time Indian, by Sherman Alexie
   Reasons: Drugs/alcohol/smoking, offensive language, racism, sexually explicit, unsuited to age group
4. Fifty Shades of Grey, by E.L. James
   Reasons: Nudity, offensive language, religious viewpoint, sexually explicit, unsuited to age group
5. The Hunger Games, by Suzanne Collins
   Reasons: Religious viewpoint, unsuited to age group
6. A Bad Boy Can Be Good for A Girl, by Tanya Lee Stone
   Reasons: Drugs/alcohol/smoking, nudity, offensive language, sexually explicit
7. Looking for Alaska, by John Green
   Reasons: Drugs/alcohol/smoking, sexually explicit, unsuited to age group
8. The Perks of Being a Wallflower, by Stephen Chbosky
   Reasons: drugs/alcohol/smoking, homosexuality, sexually explicit, unsuited to age group
9. Bless Me Ultima, by Rudolfo Anaya
   Reasons: Occult/Satanism, offensive language, religious viewpoint, sexually explicit
10. Bone (series), by Jeff Smith
    Reasons: Political viewpoint, racism, violence