Training Within Industry was initially introduced during World War II to meet the high demand for wartime materials from a smaller and less-experienced workforce. It has continued to be used, and compliments Lean, because of its methodology that empowers the frontline. Our industry’s current situation with short staffing and inexperienced workers was the motivator for Worzalla, a major book manufacturer, to base its Worzalla Training System on TWI. The company reveals the structure of its new training system and why it has made a big difference.