"Creating a Lean Culture: Tools to Sustain Lean Conversions" by David Mann, Second Edition, focuses on implementing a lean transformation by developing a culture that involves all stakeholders. It emphasizes building success from the top down and the bottom up, utilizing leader standard work, process discipline, daily accountability, and visual management as key pillars. A lean culture is described as a learning culture driven by customer focus and oriented toward continuous improvement, where employees at all levels work to reduce waste and optimize efficiency.