The document provides recommendations for ISO 9001 books and reference materials to help someone prepare for a Lead Auditor course who has not been involved in quality assurance in many years. It suggests downloading free eBooks on ISO 9001 implementation from a listed website. The document also contains sections on quality management tools commonly used in ISO 9001 systems like Ishikawa diagrams, histograms, Pareto charts, scatter plots, check sheets and control charts.