If you’ve tuned in to teacher Instagram or Twitter, you might have noticed educators and librarians posting the banned books that have made a difference in their lives, using the hashtags #freadom and #txlege. They’re doing it to protest a recent investigation in the Texas state legislature in which districts were asked to review a list of more than 850 books, many of which deal with race, gender, and sexuality, and share how many copies of each book they own and where they store the books, among other questions. Here’s just a sampling of some of the books educators are defending, and their reasons for doing so.