This revised workbook introduces the use of a new Cause Investigation tool, the Cause Road Map© . This Cause Road Map© is a multi-function event cause investigation tool that provides a structured approach to finding the underlying causes for events. It will provide a comprehensive taxonomy for EVERY cause investigation including root cause, apparent cause, equipment cause, and common cause. This workbook guides the reader through the use of various investigation analysis and event modeling tools, including the Excellence Engine’s Cause Road Map©. Following the discussion on various investigation and modeling tools, the authors show why integrating multiple tools with the Cause Road Map© is necessary to reveal latent causal factors. This revised workbook also includes discussions on many other topics key to the success event investigations.