Gr 7 Up-This colorful and well-designed volume presents more than 400 definitions of terms used in business, government, and academia. While definitely not suited to beginners, it will effectively supplement economics textbooks. All definitions are brief and most lack explanatory power for those not already versed in the concepts. For example, the definition of "Marginal Cost" uses two other terms in the first sentence that readers must look up elsewhere in the book. It equates total cost and total variable cost, which are not really the same thing, and says nothing about why this topic is important. The definition of "Money Supply," another topic of major interest to economists, mentions a lot of terms related to the topic but does not refer to monetarism. On the other hand, some of the definitions are crystal clear and many use examples effectively. Text boxes include "key points," sometimes with more effective definitions than in the text, and profiles of important figures like Karl Marx, Milton Friedman, and Joan Robinson. In addition to the well-chosen photos and handsome graphic design, the book includes a lengthy chronology of the global economy and lists of addresses of helpful organizations and informational Web sites. Unfortunately there is little material on this topic available for this audience. The best sources of general information are textbooks and encyclopedia articles in such publications as Economics (Grolier Educational, 2000). Therefore this book has the market almost entirely to itself. Some effective competition would be welcome.- Jonathan Betz-Zall, City University Library, Everett, WA Copyright 2001 Cahners Business Information.