The book Greatest Of All Time - Muhammad Ali is a tribute to heavyweight star Muhammad Ali. It contains all kinds of fascinating expert essays, interviews and thousands of pictures. The book is designed in a smaller size but still presents a vivid and epic picture of Ali. Muhammad Ali was a professional boxer and multiple world heavyweight champion who defended his title a total of 19 times. He is known today as one of the greatest boxers of all time and one of the most famous sportsmen.