How to Effectively Read 4 Books at Once

I’m a knowledge junkie, and I read because I want to learn as much as possible about subjects I’m interested in. I primarily read non-fiction, but recently I mixed it up a little and read the classic book The Alchemist after it was recommended to me a dozen times. Although I love to learn about psychology, mental health and philosophy, I’m behind. For about 15 years, I didn’t read anything because high school ruined…