Hi, I'm Czar! Did you know, we're able to safely cross the street because of a black man? Did you know the reason our homes stay warm durning the winter is because of a black woman? Did you know know that, there's an entire world of amazing black inventors whose inventions we use today? " You didn't know" ? No worries! I'll introduce you to a few and after you read my book, let's see if you can find 4 more African American Inventors.