This is the inside story of the rise and rise of the butcher's son from Rome, whose hard work, passion for the game and ability to learn from his mistakes have earned him the respect of players, fans and owners worldwide.

Between them, journalists Gabriele Marcotti and Alberto Polveros have known Claudio Ranieri since his early days as a determined central defender. During that time, they have closely followed his successes, his failures and his evolution - as a player, as a manager and as a person.

From Ranieri's career as a dogged - if not gifted - player, to the skilful tactics, single-minded focus and risk-taking transfers that have set him apart as a manager at teams like Roma and Chelsea, this is the only in-depth insight into the man behind Leicester City's Premiership triumph.