What is a Simple Machine (The What is it series) by Gene Darby
USD 11.11 USD
Specifications
| Binding | Hardcover |
| Author | Gene Darby |
| Publisher | Bebfic Press |
| Publication Year | 1961 |
| Weight | 0 lbs |
| Product Group | Book |
| Language | english |
A nice touch is the illustrated author bio at the very end.