A guide to the Japanese management principles of 5S kaizen - a methodology for the achievement of continuous improvement and total quality management. It explains the system and shows how businesses can follow its guidelines and achieve the benefits.Andrew Scotchmer is a fellow of the Royal Statistical Society and a full member of the International Institute for Business Analysis. His writings on kaizen, TQM, change management and general management theory have been published in several countries including the UK, USA, South Africa and India.