TThis book by the World Bank argues that the drylands in Africa have the potential to make a significant contribution to reducing vulnerability and increasing resilience. Improved farming technologies that can increase and stabilize the production of millet, sorghum, maize, and other leading staples are available. Yet many of these opportunities have not been exploited on a large scale, for reasons that include lack of farmer knowledge, nonavailability of inputs, unfavorable price incentives, high levels of production risk, and high cost. »