Martí Perarnau is the author of a book about Manchester City coach Pep Guardiola. The former athlete says that Guardiola needs to be loved by his players.

The book, God Save Pep, is the third volume of a unique trilogy in the history of sports journalism. It is the first time that someone tells the story of the reference coach of a sport that concentrates so much attention on the teams he directs, in this case Bayern and Manchester City. The author says that for Guardiola, change is essential.