Here are the guides from his web site referenced:
I'd like to see a more in depth list of critical references one can collect to actually have a library that would be of use in such circumstances... BoingBoing recently featured The Modern Blacksmith... I mean books like that. Sort of a Wirecutter for best-in-field guides, handbooks, and reference material for a few dozen critical technologies.
Here's where one can get a copy of the whole Wikipedia:
Another of the kind of compressed knowledge references that seems good to have is "Pocket Ref 4th Edition" by Thomas Glover. I just ordered that along with Dartnell's book.
Along the lines of this for fun and knowledge, rather than really "prepping" is the old series "Connections" by James Burke.