The Significant Seven Jack Doyle Mystery Series, Book 3.

Seven lifelong friends and racing fans from their student days at the University of Wisconsin strike it lucky at Saratoga Race Track when they combine to win a plus million dollar Pick Six. They subsequently use some of those profits to buy race horses, one of which, The Badger Express, turns out to be a sensational runner, stallion, and money maker. Seven years later, the men become targets of a professional assassin, an ex-Navy SEAL and Iraq pr...