John De Graaf, David Wann, Thomas H. Naylor ; in association with redefining progress with new research by Pamela Rands ; illustrations by David Horsey ; new foreword by Vicki RobinBerrett-Koehler Publishers2005
John de Graaf, David Wann, Thomas H. Naylor in association with Redefining Progress ; illustrations by David Horsey ; foreword by Scott SimonBerrett-Koehlerc2002