Human & Alien UFO Anti-Gravity Research

Quite a few books have been written about anti-gravity and UFOs. I surveyed the existing literature and determined that a solid collection of real research on anti-gravity and possible Alien anti-gravity technology really does not exist in one place.
The US Government has also been doing research on this topic for over seventy years.
When I decided to write this book I collected many disparate sources of anti-gravity research and the contributions of possible alien anti-gravity information.
Th...