Hallsmith, Gwendolyn and Bernard Lietaer (2011) Creating Wealth: Growing Local Economies with Local Currencies. Gabriola Island, BC: New Society Publishers.
This book reveals the power of complementary currencies, which the authors define as ways to connect unmet needs with underutilized resources. This is not just about printing scrip. Frequent flyer programs are one common example. The authors provide wonderful examples including using complementary currencies for education, elder care, better health, and building community cohesion.