The first official companion book to HISTORY(R) network's hit series Ancient Aliens(R) a powerful journey through human history that explores fascinating unanswered questions about the origins of our civilizations. With a foreword by Series Creator, Kevin Burns.

Millions of people around the world believe we have been visited in the past by extraterrestrial beings. What if it were true? And if so, what if there were clues left behind? Each week, hundreds of thousands of viewers tune in to the wildly popular Ancient Aliens(R) television series to seek insight into...