International System of Units (SI) (Print On-Demand Edition) is a one-of-a-kind book. It provides detailed information on the metric system, its origin, history, and how the base and derived units were established.  

The book has four chapters (Measurement Systems, the International System of Units, Metrication in the United States, and United States Metric Association), appendices, an afterword, and references. The book is principally aimed at educating students in the United States, but it will also be of interest to anyone who enjoys the popular sciences.