I'm providing a free downloadable PDF of a preliminary version of the Second Edition of a book. Why? Because I might not live long enough to finish the manuscript and I want the most recent version of it in the public domain. I'm 84 years old, and dealing with a heart medical problem. It may take another few months to complete the book, so until then I'll upload "almost final" versions.

Free Download Section

Enjoy.

If you want to buy the book an almost up-to-date version is for sale at Amazon.com (link):

WebMaster:   Nothing on this web page is copyrighted. This site opened:  2019 August 13