Microfinance-providing low-interest loans and other financial services to help the poorest people lift themselves out of poverty-was pioneered by the Grameen Bank in Bangladesh. In 2006, the bank and its founder, Muhammad Yunus, were jointly awarded the Nobel Peace Prize, and microfinance has since gone on to serve over 100 million people-mostly women-on five continents. First published in 1996, Small Loans, Big Dreams is the classic...