"International best-selling author Theodore Gray, whose Elements Trilogy has sold more than 1.5 million copies, now turns his irrepressible curiosity, wonderful wit, and inimitable photography to the world of engines in this visual exploration of everything from the first steam engines to giant turbines to tiny electrical engines"--

Describes some of the benefits fire has afforded, including the ability to cook food, make pottery and metals, and invent the steam and internal combustion engines.