Using automobiles supported by camel caravans, the expeditions uncovered dinosaur eggs, the first skeleton of , and other archaeological treasures, in spite of sandstorms, bandits, and civil war.

Gallenkamp, an archaeologist, also traces the religious controversy over evolution and the anti-imperialist conflicts involving China, Mongolia, and the US that were sparked by Andrews' expeditions. Generously illustrated with photos from Andrews' life and expeditions.