Within the pages of Isaac Asimov's Book of Facts are many hours of entertaining and informative reading—little-known facts that will make you exclaim, time and again, "I didn't know that!" Here are some of the intriguing facts you will find in this -Emperor Caligula appointed his favorite horse as a consul of Rome. -Eskimos use refrigerators to keep food from freezing. -For distances of up to 150 feet, an alligator can outrace a man. -In 1896, two men rowed across the Atlantic. -The number of possible ways of playing just the first four moves on each side in a game of chess is 318,979,564,000. -Jimmy Carter was the first U.S. president to be born in a hospital.