I would Photoread.
12-24 hours later I would skim and dip
Then I would study any glossary, reviews or chapter summations at a crawl.
Ask yourself a lot of questions.
Visualize mastery of the material and using it adroitly well.
This is what I do now and repeatedly to master very technical and complex subjects I have NO background in.
Such as Computer Security, Networking theory and application. New operating systems, other software etc.
You can do it! Repeat self-empowering mantras (affirmations) while you Photoread.
Photoread: = equals just turning the pages while you passively view or stare at them but also are chanting affirmations like; 'I can, I AM, I will and I do'.