Six Sigma is not new, it's simply a new name for a set of principles and tools that have been developed over the last 100 years that are at the heart of being a world class manufactuirng engineer. Principles that are based on the laws of physics and Mathematics to guarantee process knowledge and improvement. Principles that seem to have been forgotten or over looked in the modern world but that can give all Manufacturing Engineers the tools to fix any technical problem, these are must have approaches. Its a book therefore for anyone who wants to use Six Sigma and be a world Class Engineer..