Ken Jennings, famous for winning 74 straight Jeopardy games and $2.52 million dollars on the show, has always loved geography. As a child, he slept with a Hammond World Atlas under his pillow every night. In his new book, "Maphead," Jennings  explains why both himself and many others around the world find maps and geography … Continue reading Jeopardy champion Ken Jennings releases new book about geography