Of the 273 books that were targeted, here are the most challenged, along with the reasons cited for censoring the books:
The ALA Office for Intellectual Freedom tracked 156 challenges to library, school, and university materials and services in 2020. Reasons: Banned and challenged for LGBTQIA+ content and because it was considered to be sexually explicit. Reasons: Banned, challenged, relocated, and restricted for providing sexual education and LGBTQIA+ content. Reasons: Banned and challenged because it depicts child sexual abuse and was considered sexually explicit Reasons: Banned and challenged because it was considered sexually explicit and degrading to women