Weekly Reader Presents Be an Inventor
A manual, designed to inspire inventive thinking, with descriptions of a variety of inventions and information on patenting, marketing, and selling one's inventions.
- Paperback | 74 pages
- 172.72 x 233.68 x 5.08mm | 204.12g
- 01 Nov 1987
- Houghton Mifflin Harcourt P
- United States