It may be voluminous, but it's a lot of information to diget. One doesn't just ingest it, or your head will explode.
Take your time with the book. You can start it at the Natural Process Website.
Yes, I saw the link to chapter 1 on the page, but I'm at work... Tempting though it is, I'll refrain and wait for the postman to arrive. Oh, and I'll stop by the hardware store and pick up a fresh roll of duct tape, too.