Anarchist theory is broken down into a question by question F.A.Q. format: https://theanarchistlibrary.org/library/the-anarchist-faq-editorial-collective-an-anarchist-faq-full.

CrimeThinc has a nice visual style design that teaches a bit: https://crimethinc.com/tce

And there’s a shit ton of Anarchist zines to read at:https://github.com/rechelon/zine_library

The best thing about Anarchist theory is that a lot of it is modern, relating to the world we live in today, and doesn’t force you to slog through painful 200 year old literary styles.