"If you want to find your place on earth, where must you look? 'Where Am I?' is the fascinating story of how people began to chart the physical world and their place in it. Richly illustrated with meticulous drawings, it takes readers on a journey of their own. From Babylonia to Scandinavia, North American to China, Greece to Polynesia, ingenious methods and inventions will delight all those who marvel at man's spirit of adventure and his ties to home.
Explains who first invented the grid system of latitude and longitude, the use of astrolabes, the compass, chronometers and more. Covers the knowledge contributed by Marco Polo. Tells how the Global Positioning System works. Lots more.