Includes index.

The beginning -- The classical era -- The Middle Ages -- The Renaissance -- The Scientific Revolution -- The Industrial Revolution -- The steam age begins -- The rise of machines -- Electricity -- Urban life -- Medicine -- Steel and Aluminum -- Travel in the 20th century -- At home in the 20th century -- The electronic age -- Into the future.

How has travel changed? How did we ever communicate without cell phones? What will we think of next? Well, get ready to learn and wise up about inventions.