Istvan Szekely's "Five Years of an Enlarged EU: A Positive Sum Game" is a groundbreaking textbook that delves into the complex world of business, economics, and political science within the European Union. Published by Springer Berlin/Heidelberg in 2010, this hardcover book offers a comprehensive analysis of the international relations and economic conditions within the EU during its first five years of enlargement. With a focus on positive sum games, Szekely explores the implications of this expansion on public policy and economic policy within the region. This book, written in English and containing 256 pages, is a valuable resource for anyone interested in the intricate dynamics of the European Union.