Maucent:
Step One-
Photoread (without Preview) the Volume A.
Step Two-
Preview it while looking at the pictures and topics that interest you only. Skip over all the other stuff.
Step Three-
Stop previewing when you get tired. Keep going if you don't.
Step Four-
Once you finish all the topics in "A" that you are interested in, make a list of all the related topics and stories that seem to have a connection in some way.
For example, maybe the topic on the alphabet and the topic on Arabic numerals seem to connect because they are "Categorical systems of communication."
Step Five-
Be sure to not worry about memorizing at this point, just enjoy finding the bigger categories to fit all the smaller categories into. That's the fun part.
Step Six-
Once you get through with Volume A then move to Volume B, and so on. Or, just start with whatever volume that you want whether it's X or Z or whatever.
I'd start with a subject I was interested in. Maybe the subject of memorizing. Photoread "M" then do the same Steps I have given you.
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I think you'll find that if you read it through this way, you'll have even more of a blast learning and widen the way you make connections between topics.
Good luck brainiac, and...
CommonSense