- ISBN10 0948826231
- ISBN13 9780948826238
- Publish Date 1 January 1991 (first published March 1987)
- Publish Status Active
- Publish Country GB
- Imprint Institute for Social Inventions
- Edition 3rd Revised edition
- Format Paperback
- Pages 24
- Language English
Bookhype may earn a small commission from qualifying purchases. Full disclosure.