This is by no means an exhaustive list; the amount of information available out there is staggering, and much of it can be found for free on the internet. I will continue to update these links as I find them and have time, but this should be a good start. See the graphics and read the text of my card here.
Recommended Books:
NOTE: Most of these books are available through Permaculture Activist's website or could be ordered by your local bookstore, and I would highly recommend purchasing through either of them if you can, as they are excellent and invaluable resources. I understand that some people have very little money in these hard times and have to make every cent count; if that is the case I have linked the titles to Amazon.com and you can find them far belowretail there, (though I hate to recommend them as they are kind of the Walmart of booksellers).
Depletion and Abundance: Life on the New Home Front
by Sharon Astyk
Reinventing Collapse: The Soviet Example and American Prospects
by Dmitry Orlov
The Transition Handbook: From Oil Dependency to Local Resilience
by Rob Hopkins
Plants for a Future: Edible & Useful Plants for a Healthier World
by Ken Fern
Toolbox for Sustainable City Living: A do-it-Ourselves Guide
by Scott Kellogg
Gaia's Garden: A Guide to Home-Scale Permaculture
by Toby Hemenway
The Earth Care Manual: A Permaculture Handbook For Temperate Climates
by Patrick Whitefield
When Technology Fails: Self-Reliance, Sustainability, and Surviving
by Matthew Stein
The Encyclopedia of Country Living
Living off the Land and DIY by Carla Emery
Alcohol Can Be a Gas!
by David Blume (making your own fuel)
Water Storage: Tanks, Cisterns, Aquifers, and Ponds
by Art Ludwig
The Forager's Harvest: A Guide to Edible Wild Plants
by Samuel Thayer
The Long Emergency: Surviving the Catastrophes of the 21st Century
by James Howard Kunstler
World Made by Hand: A Novel
(novel) by James Howard Kunstler
The Post-Petroleum Survival Guide and Cookbook: Recipes for Changing Times
by Albert Bates
Small is Possible: Life in a Local Economy
by Lyle Estill
Recommended Websites (just a start, more to come soon)
Permaculture/Gardening
Permaculture Activist Website (an excellent US-based magazine made by very good people)
Natural Farming Yahoo Group (one of the best e-mail groups I've ever seen, full of excellent info)
American Community Gardening Association (find a community garden near you)
Self-Sufficiency Garden in a Cramped Apartment (good ideas about what to grow w/ little space)
How to Construct a Homemade Rain Barrel (step-by-step with lists of parts needed)
Synergistic Gardening Article (this is the kind of garden I'm starting this year)
Seeds of Change (I've ordered a bunch of seeds from them, nice catalog, all organic and non-GMO)
Natural Building and Energy Efficiency
Oikos Green Building Library (lots of great, free info on home energy issues and construction)
Greenhomebuilding.com: Strawbale (and many other) building techniques explained
Transportation
Build a Cargo Trailer for Your Bicycle (step-by-step instructions)
Tools and Appliances
Lehman's Products for Simple, Self-Sufficient Living (where the Amish shop!)
Water Filters from the Survival Center (good selection with descriptions)
Solar Electric Design Guide (lots of info about solar PV systems)
All Kinds of Info (and Shopping) for Solar Equipment, Efficient Appliances, etc.
Alternative Energy Sources at Otherpower.com (build your own wind turbines, etc).
Weblogs or Good General Info
Easy Sustainable Survival Practices (nice blog highlighting easy things to do for yourself/planet)
The Five Stages of Collapse (I saw this presentation live; shocking but vitally important)
Sharon Astyk's Blog (more info than I need about being a mom or being Jewish, but otherwise good)
Permaculture and Regenetive Design News (Keith Johnson of Permaculture Activist's blog)