Hack Reading.. Read Fast..How to read scientific papers/textbooks?

Reading scientific textbook. Novels tell stories, but scientific text books try to inform with the fact, evidence, assumptions and logics.

Goal: Being informed and educated
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1. Don't always read front to back
2. ‎Read for Big Ideas + Connect Ideas
3. ‎Read for key details
4. ‎Take good enough notes. Read the book once but your notes multiple times.

Break the chronological order. Because too easy to get lost in the miniscule.
a) Read the questions at the end?
‎b) Read the final summary/conclusion
‎c) Headings and subdivisions of the chapter
‎d) Read the final intro
‎Finally have the view from front to back.