Title: Il più grande venditore del mondo, Author: Og Mandino
Title: The Greatest Salesman in the World, Author: Og Mandino
Title: The Greatest Salesman in the World, Part II: The End of the Story, Author: Og Mandino
Title: The Greatest Salesman in the World, Author: Og Mandino
Title: The Greatest Secret in the World, Author: Og Mandino
Title: The Greatest Secret in the World, Author: Og Mandino
Title: The Greatest Salesman in the World, Part II: The End of the Story, Author: Og Mandino
Title: Vendedor Mas Grande Del Mundo, Author: Og Mandino
Title: The Greatest Salesman in the World, Author: Og Mandino