Author Luke Williams spent over 10 years working on his new book, Richmond Unchained: The Biography of the World's First Black Sporting Superstar, and joins us to discuss the incredible story of Bill Richmond who went from slavery in the United States to superstardom as a boxer in England.

Richmond had an innovative fighting style, was a trainer, a publican, and was a real star in his time. His story began over 250 years ago, a completely different world to what we know today. The book is released later this week, so please enjoy Luke's insight into a boxer known as 'The Black Terror'.