| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Complete Idiot's Guide to Cashing in on Your Inventions | 978-0-02-864220-8 (0-02-864220-1) | 2001 | |
| The Toy and Game Inventor's Handbook | 978-1-59257-062-1 (1-59257-062-3) | 2003 | Ronald O. Weingartner |
C. L. · R.C. · R. L · Richard L. · Richard Levy