Here is a list of 20 Banned Books with diverse content. I have read them all. If you have not, this might be a good place to begin. Courtesy of this web site:
http://www.bannedbooksweek.org/node/10232 1. A Gathering of Old Men by Ernest J. Gaines
2. A Hero Ain't Nothin But a Sandwich by Alice Childress
3. A Lesson Before Dying by Ernest J. Gaines
4. Absolutely True Diary of a Part-Time Indian by Sherman Alexie
5. All American Boys by Jason Reynolds
6. Always Running by Luis J Rodriguez
7. Am I Blue?: Coming Out from the Silence by Marion Dane Baue
8. And Tango Makes Three by Justin Richardson and Peter Parnell
9. Anne Frank: The Diary of a Girl
10. Annie on My Mind by Nancy Garden
11. Autobiography of Malcolm X by Malcolm X; Alex Haley
12. Baby Be-Bop by Francesca Lia Block
13. Beloved by Toni Morrison
14. Beyond Magenta: Transgender Teens Speak Out by Susan Kuklin
15. Black Boy by Richard Wright
16. Bless Me, Ultima by Rudolfo A Anaya
17. Color of Earth by Kim Dong Hwa
18. Daddy's Roommate by Michael Willhoite
19. Drama by Raina Telgemeier
20. Fallen Angels by Walter Dean Myers