In 1095, Pope Urban II ordered Christians to capture Jerusalem from the powerful Muslim forces that held it. This war would become known as the First Crusade, and many more crusades followed as Muslims and Christians contended for territory in the Middle Ages. Fascinated readers will find out why these wars were waged as well as the lasting effects they had on the Western world. Maps and a timeline help them follow the action, while stunning historical artwork illustrates the key figures in this bloody time in history.