"Irreverent Jack Doyle has worn many hats, one or two blown off by his irrepressible temper. A former boxer, advertising rep, and publicity man, Jack's midlife career has been shaped by the world of thoroughbred horse racing and dark deeds therein. So it's no surprise when two FBI agents he's sleuthed with before pressure him to identify an animal activist who is carrying out 'mercy killings' of retired race horses donated to Midwestern university veterinary schools. Plus two Chicago senior citizens are being threatened by an imperious Internet millionaire intent on owning their beloved horse"--Dust jacket flap.