This document provides a summary of the third edition of the book "The Difference Between Marketing and Markets" by Paul Fifield. It discusses the contents of the book, which provides tools and approaches to help managers take on the marketing challenge and properly represent customers. The preface notes that while marketing has grown in scope, it is still often misunderstood and not given enough importance in organizations. The book aims to help more marketers and managers see marketing's true role in identifying customer needs and driving business strategy and profits.