Jacoby-an authority on bridge and poker, a top-ranking mathematician, a professional statistician, and an insurance actuary. This book devotes 215 pages to telling you what the odds are against your winning when you play the ponies, roulette, craps, slot machines, draw poker, stud poker, contract bridge, auction pinochle, the stock market. This book also give you the scientific, mathematical chances on a score of other activities. It doesn't pretend to show how to make money gambling. The author has no axe to grind.