"Dark Age America" is a fascinating book by John Michael Greer that goes into the wicked dependencies in our technology stack.
The Ecotechnic Future, The Retro Future, The Long Decent, Not the Future we ordered - all great books on what will happen if these systems crumble from resource depletion.
As much as I want disagree with his views, they look more sound every day. He is actually doing a follow up series on these topics on his blog (Ecosophia) currently.