Wheels is one of twenty-six volumes from the Life Science Library. Originally published in the 1960s, this series is an introduction to the many fields of science and their relationship to society. This volume traces the development and progression of wheeled transportation. Topics covered include the invention of the wheel, locomotives, railroads, the automobile, roads, bridges, urban transportation problems, mass transit, and the automation of transportation. Numerous photographs, diagrams, and statistical charts supplement the narrative. Despite its age this book is a highly readable and informative volume on the interrelationship between transportation and the economic and social progress of the human race.