In the decades leading up to World War II, legendary air races were often the proving grounds for radical new aviation principles and designs. The people and machines of air racing during this period made tremendous strides and contributed incredible new technologies, aerodynamics, powerplants, and airframes. This unique look at the key players and aircraft in all the early 20th century's great air races examines and explains how innovative racing technologies found their way into future fighter and passenger aircraft. Exciting races like the Schneider Cup, Pulitzer Trophy Race, and Women's Air Derby, an in-depth look at their contributions to aeronautics, and fascinating archival imagery make this a must for air racing fans and aviation enthusiasts.