Good luck!! just keep at it, everyday. that's the only advice i can give. split it up into chunks also. so that you're not facing the big mountain all in one go as cakegirl metaphor suggests!
and join the club
update your progress everyday after your "working" hours. we can keep an eye on you
what will help, maybe is to read the chapter, highlighting important bits, and maybe make a brief outline of the whole chapter.
i read that the human mind has trouble holding more than 8 pieces of information in the forefront of their brain.
so go through your chapter once, and make an outline. then for each section, sum it up what the section is talking about.
then for each paragraph write one line as to what it's saying. that way you can see the skeleton of your chapter.