Olympics by Chris Oxlade

DK Eyewitness Books: Olympics is an original and exciting new guide to the heroic world of the Olympic Games, from its ancient beginnings to the London Games in 2012. Discover how athletic competitions are timed within fractions of a second, what special materials are used to make a modern swimsuit, which sports were included in the ancient Olympic Games, who won the most Olympic medals, and much, much more in Eyewitness: Olympics!