The "Invisible Library" dataset is free to download. It contains detailed information on book bans by school district across the United States up to June 2022.
A snippet " The Topic Concentration chart above lends the clearest picture into the implied rationale behind the bans. Namely, the bans are not and have not been about the physical removal of a book from a shelf. The bans instead are meant to:
Virtue signal by people in positions of institutional power to voting-age parents interested in school choice, parental rights, and wedge social issues to the detriment of non-voting age students
Reject and exclude topics that challenge a perceived status quo from the public discourse (e.g. non-heteronormativity, non-cis identity, non-traditional gender roles, and non-Judeo-Christian books are targeted) "
As a retired librarian, I know that this is nothing new. What is new is the organized and vicious manner people use these days.
Before a crank might complain and we would bring out our intellectual freedom statements and policies. Let the rant go on a bit, then let the complainant know that as a public library we pride ourselves on the fact:
We have something to offend everyone and that is a mandate that we defend.
With people becoming more violent and unhinged, it is scary to be the holder of the knowledge and the force that protects intellectual freedom.