“Criterion” – the third planned book in my series “The Games Men Play” – is a tale of bloodlust and bloodlines set amid rival families in the equestrian world. So I was more than a little excited to see that Nacho Figueras – the polo star and Ralph Lauren spokesmodel – is presenting a series of romances, “The Polo Season,” written by Hudson Valley, N.Y. writer Jessica Whitman.

The first, “High Season” (Forever/Grand Central Publishing, $13.99, 351 pages) follows an upstate New York veterinarian as she threads her way among the 1-percenters of the winter equestrian circuit in Wellington, Fla. Will she find love with the dashing polo star who, too, has his challenges? Is there any doubt? ...