Pep Guardiola is, without a doubt, the most successful football coach and teacher of the last 10 years. He revolutionised FC Barcelona and formed a team that was one of the best in the history of the sport. Now he follows Jupp Heynckes as coach of Bayern Munich and faces the pivotal question: Will he be able to keep the team's quality or even improve it? Pep has become a legend, and in order to understand this, it is necessary to see behind the curtain and understand the man who constitutes the Guardiola System. What are the key values and principles that form the basis of his method? How did he form a unit with such diverse football stars? What can we learn from Pep? Miguel Angel Violán manages to make the 'unknown Guardiola' better known and illustrates in many informing and amusing anecdotes: The Philosophy that Changed the Game!