books.google.com - - Royer's monthly columns reach more than 300,000 readers- Royer has written more than fifty casino reports, profiling casino games and providing services for casinos like Hilton, Mirage, and Foxwoods- There is virtually no competition for this book. All other books on Keno are outdated or inaccurat...https://books.google.com/books/about/Powerful_Profits_from_Keno.html?id=JoNFBIDBA00C&utm_source=gb-gplus-sharePowerful Profits from Keno