Written in 1990, Machine That Changed the World, talks about the advantages of being lean from concept to delivery in the automobile industry. This book describes the results of a five-year research program during the 1980's period. During this period they visited 90 factories around the globe, comparing the performance of the traditional mass production factories vis a vis the lean ones. The book acts as a guide for several industries guiding how businesses operates and how to deliver products that customers want. A classic read for anyone with an engineering or management interest.