How to read a book:
Periodic summarization:
* After finishing a chapter, stop and summarize the chapter to yourself.
* After finishing the book, summarize the books core arguments to yourself. If you can't, go back and look at your notes. This is the Feynman technique.
Revisit your notes a week later, and decide what to store as flashcards/Commonplace.
A System for Remembering What you Read
A easy to implement simple system for remembering what you read.