Megan Smolenyak - Trace Your Roots with DNA

from the publisher:
Written by two of the country's top genealogists, this authoritative book is the first to explain how new and groundbreaking genetic testing can help you research your ancestry.

According to American Demographics, 113 million Americans have begun to trace their roots, making genealogy the second most popular hobby in the country (after gardening). Enthusiasts clamor for new information from dozens of subscription-based websites, email newsletters, and magazines devoted to the subject. For these eager roots-seekers looking to take their searches to the next level, DNA testing is the answer.