Illinois Reads
저자: Kevin Daugherty
1. Farm Inventions
1.1. Carver
1.2. Deere/McCormick
1.3. Glidden
2. Their Inventions
2.1. Electric Light
2.2. Model T
2.3. Fordson Tractor
3. Books
3.1. Pre K
3.2. K-2
3.3. Older
4. Inventor's Secret
4.1. Edison
4.2. Ford
4.3. Keep At It
