This book profiles the two hundred most famous racehorses of the twentieth century and gives ratings for six hundred others. What juvenile star beat older horses twice? What was the final score between Affirmed and Alydar? What was Man o' War's greatest victory margin? How many starts did indestructible mare Imp make? What male champion did the great filly Twilight Tear whip? Who beat both Exceller and John Henry on grass? Who defeated Forego, Secretariat, and Riva Ridge? How much weight did Discovery carry when he was only four? Learn the answers and many more in this landmark book!