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.
- Hardback | 74 pages
- 132.08 x 205.74 x 12.7mm | 272.15g
- 01 Nov 1987
- Houghton Mifflin Harcourt P
- United States