Nov. 9 (Bloomberg) -- This episode of Game Changers spotlights the phenomenon of author J.K. Rowling, from her Harry Potter book and film series to future creations. --Subscribe to Bloomberg on YouTube: null Bloomberg Television offers extensive coverage and analysis of international business news and stories of global importance. It is available in more than 310 million households worldwide and reaches the most affluent and influential viewers in terms of household income, asset value and education levels. With production hubs in London, New York and Hong Kong, the network provides 24-hour continuous coverage of the people, companies and ideas that move the markets.