That is some petty compliance

Those allowed access to the books include two district students, members of the NAACP, and children of members of the NAACP.

If you are curious, you could always try to find what common themes occur that might make those in power want to ban books.

What’s this? Is this a list of the US’ banned books? Wouldn’t it be a shame of someone read them?

https://en.m.wikipedia.org/wiki/List_of_most_commonly_challenged_books_in_the_United_States