Here is a list of things that I develop that potentially help with reading. This list is dynamically change, this mean that some things will be removed and some things will be added.
All of these things that mention in the list is just purely based on personal experience and is not back up with scientific research what so ever.
Create a Table of Contents for that specific chapter or section.
Sometimes, I find that when I read a book, the chapter has many subsections or subchapters. It's easy to get lost in the details.
Create a Learning Objective for each chapter
Identify what you're supposed to be learning within in the chapter, and let that serve as your guide.