Inventorship: The Art of Innovation
Author: Leonard M. Greene
Publisher: John Wiley & Sons 2001
paper 256 pages $17.95
ISBN 0-471-41407-7

Patent It Yourself (9th ed.)
Author: David Pressman
Publisher: Nolo Press 2002
paper 512 pages $49.99
ISBN 0-87337-801-6

The Patent Drawing Book:
How to Prepare Patent Drawings
Authors: Jack Lo & David Pressman
Publisher: Nolo Press 1997
paper 256 pages $29.95
ISBN 0-87337-378-2