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Anti-Gravity Propulsion Dynamics: UFOs and Gravitational Manipulation

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Field Propulsion by Control of Gravity: Theory and Experiments

by David Hatcher Childress

The Anti-Gravity Files: A Compilation of Patents and Reports (Lost Science) 

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Free Energy and Antigravity Propulsion / Miracle in the Void – Dr. Tom Valon & Dr. Brian O’Leary

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Free Energy and Antigravity Propulsion – Tom Valone VHS

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Can UFOs Advance Science? A New Look at the Evidence

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ANTIGRAVITY PROPULSION: Human or Alien Technologies? (The Underground Knowledge Series Book 2)

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The Day After the Singularity: UFOs & the Great Technological Quantum Leap

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Secret Science and the Secret Space Program

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The Anti-Gravity Handbook: Expanded and Revised Third Edition

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The New Science of the Ufo

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UFO Explained: Within Many-World Physics

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The Anatomy of a Flying Saucer: Detailed Scientific Explanation of How UFOs Work

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The Science of UFOs: An Astronomer Examines the Technology of Alien Spacecraft, How They Travel, and the Aliens Who Pilot Them 1st Edition

by Stanton T. Friedman (Author), Dr. Edgar Mitchell (Foreword), Dr. Bruce Maccabee (Foreword)

Flying Saucers and Science: A Scientist Investigates the Mysteries of UFOs

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Men of Mystery: Nikola Tesla and Otis T. Carr

by Paul R. Hill (Author), Robert Wood (Foreword), Don Crosbie Donderi (Contributor)

Unconventional Flying Objects: A Former NASA Scientist Explains How UFOs Really Work

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THE PHYSICS OF UFOS

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Secrets of Antigravity Propulsion: Tesla, UFOs, and Classified Aerospace Technology

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Hidden Truth: Forbidden Knowledge

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The Cosmic War: Interplanetary Warfare, Modern Physics, and Ancient Texts: A Study in Non-Catastrophist Interpretations of Ancient Legends

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The Science Behind Alien Encounters

by Robert Davis (Author)

UFO Disclosure 2021: The Final Guide on Declassified Reports, Military Sightings, Historical Abductions and Recent Investigations About the Greatest Secret Ever: Extraterrestrial Life on Earth

by Robert Schroeder (Author)

Solving The UFO Enigma: How Modern Physics is Revealing the Technology of UFOs

by Michael Salla (Author)

Insiders Reveal Secret Space Programs & Extraterrestrial Alliances

by Gil Carlson (Author)

Secrets of the Dulce Base: Alien Underground (Blue Planet Project)

by Michael E. Salla (Author)

US Air Force Secret Space Program: Shifting Extraterrestrial Alliances & Space Force (Secret Space Programs Book

by Michael Salla(Author), Robert Wood(Foreword)

The U.S. Navy’s Secret Space Program and Nordic Extraterrestrial Alliance(Secret Space Programs Book 2)

by Ross Coulthart

In Plain Sight: An investigation into UFOs and impossible science

by Kenneth W. Behrendt

Secrets of UFO Technology