Here is a good trick that I did used myself once upon a time when I needed to memorize text books. I haven’t use this trick in a long time but it might be helpful for me to get re-acquainted with it. Check out John’s trick on memory!
In college, I memorized 7 chapters of my psychology textbook — over 23,000 words. Yes, I could actually recite the entire 7 chapters to anyone willing to listen.