Recommended Reading The Toyota Way Fieldbook: A Practical Guide for Implementing Toyota’s 4Ps Buy Book Jeffrey K. Liker and David Meier, The McGraw-Hill Companies, 2006 The authors state their book is an attempt to clarify the thought process used by Toyota and how those ideas are applied and used to create the tremendous success Toyota has achieved and the critical role TWI has in the area of employee training since 1951.