The international bestselling author of How Things Work turns his focus to a visual exploration of the marvelous machines that run our world. In Engines, Theodore Gray takes us on a journey from ancient Greek steam engines to our most sophisticated twenty-first-century machinery. Through his engaging stories and Nick Mann’s trademark photography, we can appreciate the functionality of the internal combustion engine, the connection between magnetism and electric motors, as well as hydraulics, robotics and more. For fans of how things work, Engines is a loving tribute to the mechanical world. Hardcover, 240 pages.