A fantastic introduction to permaculture by author / activist Ian Lillington, explaining the concept in a clear and concise way. Ian has applied the permaculture priciples in all aspects of his life to help find 'sustainability through permaculture' with plenty of concrete examples of how it's done.
Abdallah House, redesigning a home in suburban Seymour using permaculture principles.
Future Scenarios considers the potential interaction between Peak Oil and Climate Change. The permaculture design system has evolved over the last 30 years to creatively respond to futures that involve progressively less and less available energy.