1. Local Sustainability: Balancing Quality and Equality?
2. 1994. A Guide to Community Visioning: Hands-On Information for Local Communities. American Planning Association: Washington, DC.
3. 1998. The Seventh Millenium: the Evidence that We Can Know the Future. New Holland: Sydney.
4. 1999. Believing Cassandra: an Optimist Looks at a Pessimist's World. Scribe: Melbourne.
5. 1994. Lifespan Development. Harper Collins: New York.