Inventions That Could Have Cha - ACCEPTABLE

Inventions That Could Have Changed the World...But Didn't! by Rhatigan, Joe

Inventions That Could Have Changed the World...But Didn't! - Paperback

Inventions That Could Have Changed the World... but Didn't! Joe R

Black Inventors: 15 Inventions that Changed the World - Paperback - VERY GOOD

100 Inventions That Changed the World - Paperback By Popular Science - GOOD