In this classic text, Taiichi Ohno-inventor of the Toyota Production System and Lean manufacturing-shares the genius that sets him apart as one of the most disciplined and creative thinkers of our time. Combining his candid insights with a rigorous analysis of Toyota's attempts at Lean production, Ohno's book explains how Lean principles can improve any production-oriented endeaver. A historical and philosophical description of just-in-time and Lean manufacturing, this work a must read for all students of human progress. On a more practical level, it continues to provide inspiration and instruction for those seeking to improve efficiency through the relentless elimination of waste.