Secrets of the Universe : Ancient Astronauts

Can it be true that intelligent extraterrestrial life visited the Earth in ancient times and profoundly affected the development of human civilization? What do preeminent scientists of our time have to say about this revolutionary theory? How do UFO religions, such as Scientology, incorporate this idea in their belief system? How do artifacts such as Stonehenge, the Moai of Easter Island, the Great Pyramid of Giza, and the ancient Baghdad electric batteries, support this notion? These and many more questions are answered in this book!