Voluntary Codes Book
Here's an interesting book:

Voluntary Codes: Private Governance, the Public Interest and Innovation

Kernaghan Webb, Editor

Paperback: 466 pages
Publisher: Carleton Research Unit for Innovation, Science and Environment (October, 2004)
ISBN: 0770904823
An examination of the increasing use by business of consumer, environmental, worker, and other market-based voluntary codes of conduct, and the public policy implications of such codes. The book explores codes from a variety of different perspectives, supplemented by case studies, drawing on both developed country and developing country examples. The audience of the book includes those in government, the private and the voluntary sector, and associated academic disciplines examining innovative governance approaches (e.g., law, public policy and administration, environmental studies, political science).