This book provides a comprehensive summary of the Federal Reserve System in an encyclopedic format. It was written by a single author, R.W. Hafer, an economist who worked for 10 years as a researcher at the Federal Reserve Bank of St. Louis. The book covers the history, structure, functions, and terms used by the Federal Reserve through detailed alphabetical entries. It is highly readable and provides valuable context for understanding the Federal Reserve's role in monetary policy and the broader US economy. The reviewer found this to be an indispensable reference for learning about the Federal Reserve.