The Humanure Handbook – Joseph Jenkins
The bible on humanure composting

Seed to Seed – Suzanne Ashworth
The best step-by-step guide to seed saving

Root Cellaring – Nancy Bubel

Four Season Harvest – Eliot Coleman

How to Grow More Vegetables – John Jeavons
Bio-intensive growing

Encyclopedia of Country Living – Carla Emery

Permaculture, Principles & Pathways Beyond Sustainability – David Holmgren
Emphasizes permaculture techniques for the energy decline

When Technology Fails – Matthew Stein
Excellent manual on survival skills

Where There Is No Doctor – David Werner

Where There Is No Dentist – Murray Dickson