"The Microfinance Revolution" book explores how to provide financial services to the poor worldwide. It discusses the growth of commercial finance for the less privileged, the core principles of the microfinance revolution, and its success compared to other development efforts. The book covers the history of microfinance, its global impact in developing countries, and its future direction. It also delves into topics like informal money lending, savings, and case studies from Indonesia and other regions. The key takeaway is that microfinance has been effective in helping the poor access financial services where other interventions have failed.