Marcelo Bielsa is one of football's greatest eccentrics and greatest enigmas. He is described by Pep Guardiola as: 'the greatest football manager in the world'. To the Tottenham manager, Mauricio Pochettino, he is 'my footballing father, the reason I became a player, the reason I became a manager'. This is a definitive and comprehensive biography from growing up in Argentina under a military dictatorship to reviving the stricken power of Leeds United.