A Really Cool Inventor

The Coolest Inventor: Willis Haviland Carrier and His Air Conditioner by Alison and Stephen Eldridge

Here's a snippet: "When Willis was in school, he had trouble understanding math with fractions. His mother had him cut up apples to work out problems with them. This taught Willis that he could solve problems if he just broke them down into simple pieces."


This book gives steps for young inventors to take  when they get a great idea.
It also includes a timeline, a glossary called words to know, books and websites, and an index.