An in-depth look at the top 100 inventions through the ages, ranked in order of their impact on the world. Discover the scientific, cultural and historical fact
Incredible inventions and inspiring innovations have transformed the world today, so you can't imagine life without them! This tour through time tracks the bril
Fascinating stories behind 100 of the most important inventions in history, for kids 8 and up This fast-paced journey through the most vital developments and in
Profiles one hundred inventions in chronological order, from roads and the screw to the World Wide Web and cloning, describing how each was invented, what peopl