Dave, Try this "Electronic Drafting and Printed Circuit Board Design" by: James M. Kirkpatrick price: $52.95 @ Amazon also, if you just want information, try the ebay auction by jventerprises. They have the book listed on their web site for $14. I got mine at auction for $7 plus shipping. This is the current auction going on: http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=160462846 You will need to be registered to bib, and registration is free. Brian ******************************************** Better Produce through Better Control ********************************************