Book excerpt: Once again historian Harvey Rachlin uncovers odd and stirring stories behind some of the most fascinating objects in the world. "Jumbo's Hide," Publisher's Weekly writes, "is entertaining and enlightening … a pageant of human aspiration, achievement, obsession, and belief." Artifacts explored include: The truce flag that ended World War I, The Maltese Falcon, John Adam's pigtail and Jesse James' Stickpin and Galileo's middle finger.