- The First Resource: Wild Species in the North American Economy
- The Wellbeing of Nations: A Country-by-Country Index of Quality of Life and the Environment
- How to save the world: Strategy for world conservation (Littlefield, Adams quality paperback ; no. 366)
- Genes from the Wild: Using Wild Genetic Resources for Food and Raw Materials (An Earthscan paperback)
- How to Save the World: Strategy for World Conservation