The Local Agenda 21 Planning Guide, An Introduction to Sustainable Development Planning, provides information about Sustainable Seattle's role as a change agent (Chapter 6).  The early process of participatory action research is described in Peter Hardi and Terrence Zdan's book Assessing Sustainable Development: Principles in Practice (p. 125).  Paul D. Epstein, Paul M. Coates, Lyle D. Wray write about Sustainable Seattle in their book, Results that Matter.  Dr. Meg Holden also wrote her dissertation on Sustainable Seattle. Alan AtKisson describes the role Sustainable Seattle had in forwarding the sustainability field in his book The Isis Agreement.  William Greider writes about Sustainable Seattle's leadership in his book The Soul of Capitalism.