Book excerpt: Looks at how economies and economic theory can be brought in line with the Islamic vision of a just society. Examines epistemological principles, the purpose and sources of knowledge, and the relationship between self- and social-interest in human affairs to reach conclusions about the role and limits of markets and the goal of combining efficiency and equity. Also discusses the role of money in Islam, and offers a case study of Malaysia. Annotation copyrighted by Book News, Inc., Portland, OR