I recommend Sister Outsider by Audre Lorde. Her essays blew me away and explained intersectionality in a way that made sense to me for the first time, although she didn’t use that word because it’s an older work. It was one of those books I got from the library and about 30 pages in I knew I wanted my own copy.

Definitely bell hooks Just finished The Trouble with White Women by Kyla Schuller

Reading Judith Butler right now Undoing Gender