Richard Hill has released version 2 of his Guide to DNA Testing: How to Identify Ancestors, Confirm Relationships, and Measure Ethnic Ancestry through DNA Testing. The ebook is available as a Kindle book. It sells for the modest price of 99 cents (U.S.)
The Guide is a brief overview designed to help people (1) see the benefits of genetic genealogy and (2) take the right tests for their needs. By offering this to the huge Amazon audience, Richard hopes to get many more genealogists to take the leading tests. As these databases grow, we will all get more and better matches.
As described on Amazon: