The PQRR Technique is widely acknowledged as one of the most successful approaches to developing advanced reading skills.
Consult similar textbooks with the same study question in mind.
Compare summaries, noting the similarities and differences.
Practice the PQRR method.
If you do not already have a study group, consider forming one.
Encourage the other members to practise the PQRR method - you can always set your study question together.
Explain to the others in the study group what you have learnt and encourage group members to ask you questions on the material.
The same methods can be applied to reviewing lecture notes, revision for exams etc.
The objective here is to help you set the scene for your reading session and activate your background knowledge.
Survey the chapter briefly for 2-3 minutes, skimming through the pages.
Write down the question that you want answered from the chapter.
Take more time with difficult material.
Summarise what you have learned from the chapter.