This stunning visual guide explores and explains the greatest inventions, ideas, and discoveries throughout the ages, and introduces their inventors. Discover t

Discover the amazing inventions throughout history that have shaped the world as we know it. This stunning visual guide explores and explains the greatest inven

The ultimate book of knowledge for kids aged 7 to 9, this thorough children's encyclopedia contains all the homework answers your kids will need, explained clea

The present book, Scientists Inventions and Discoveries is one among the five books of the series, Children's Encyclopedia - The World of Knowledge. The book ha

It's time your child meets and appreciates the great minds behind the best inventions available today. This educational resource is composed of mind-blowing inf