Unlock the family secrets in your DNA! Discover the answers to your family history mysteries using the most cutting edge tool available. This plain-English guide (newly updated and expanded to include the latest DNA developments) will teach you what DNA tests are available; the pros and cons of the major testing companies; and how to choose the right test to answer your specific genealogy questions. And once you've taken a DNA test, this guide will help you use your often-overwhelming results, with tips for understanding ethnicity estimates, navigating suggested cousin matches, and using third-party tools like GEDmatch to further analyze your data. Whether you've just heard of DNA testing or you've tested at all three major companies, this guide will give you the tools you need to unpuzzle your DNA and discover what it can tell you about your family tree.