100 Inventions That Shaped World History

An ideal reference for trivia buffs or anyone fascinated by the history of technology. From the wheel (3500 B.C.) to today's Virtual Reality, concise text and black & white illustrations and photos reveal how 100 inventions actually came about and why they have affected our world so profoundly. Includes fun trivia questions to test your knowledge. 112 pages, softcover from Sourcebooks.