{"product_id":"9781939149565","title":"UFOs and Anti-Gravity: New Expanded Edition","description":"\u003cp\u003eLeonard G. Cramp’s classic book on flying saucer propulsion and suppressed technology is back in print in this expanded edition. Now including material from his first book; Space; Gravity \u0026amp; the Flying Saucer; this book is a highly technical look at the UFO phenomena by a trained scientist. Cramp first introduces the idea of ‘anti-gravity’ and introduces us to the various theories of gravitation. He then examines the technology necessary to build a flying saucer and examines in great detail the technical aspects of such a craft. Cramp’s book is a wealth of material and diagrams on flying saucers; anti-gravity; suppressed technology; G-fields and UFOs. Chapters include: Crossroads of Aerodynamic Saucers; Limitations of Rocketry; Gravity and Magnetism; Gravitation and the Ether; The Present State of the Art; Gravitational Spaceships; The G-Field Theory; G-Field Lift Effects; Accompanying Phenomena; Analysis of Technically; Corroborative Evidence; Analysis of a Theory to Fit the Facts; The Bi-Field Theory; VTOL and Hovercraft; Analysis of UFO photos; tons more. The book that finally blew the lid on anti-gravity!\u003c\/p\u003e","brand":"Adventures Unlimited Press","offers":[{"title":"Default Title","offer_id":47049968582896,"sku":"9781939149565","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781939149565_p0.jpg?v=1763666117","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781939149565","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}