I do a bit of a twist on this : I get as many books on the same subject as I can and read them all at least once. I typically find that each one has valuable n

I do a bit of a twist on this : I get as many books on the same subject as I can and read them all at least once. I typically find that each one has valuable nuggets, one really clicks with my brain, and all contribute to scaffolding a solid internal representation.