ISBN 9781592570621 books & textbook
The Toy and Game Inventor's Handbook: Everything You Need to Know to Pitch, License, and Cash-In on Your Ideas
Levy, Richard C. Weingartner, Ronald O.
Alpha /2003-07-01 Paperback / 512 Pages
isbn-10: 1592570623 / isbn-13: 9781592570621
