- Maori Myth: The Supernatural World of the Maori.
- Postcards from Detroit: Remembering Formula 1 in the Motor City
- Cities for Children: Children's Rights, Poverty and Urban Management
- The Phaselock Code : Through Time, Death and Reality, The Metaphysical Adventures of the Man Who Fell Off Everest
- Children's Participation: The Theory and Practice of Involving Young Citizens in Community Development and Environmental Care