The UFO Phenomenon: Mysteries of The Unknown

In Plain Sight - An investigation into UFOs and impossible science

Ross Coulthart

UFO of GOD The Extraordinary True Story of Chris Bledsoe

Chris Bledsoe

Mysteries in the Mist Mist, Fog, and Clouds in the Paranormal

W. T. Watson

The Big Book of Big Secrets

Publications International Ltd

Universal

The Super Natural

Whitley (Whitley Strieber) Strieber

The Astronomy Book

DK

The Universe

John Brockman

Scams from the Great Beyond

Peter Huston

The mystery experience

Tim freke

UFOs: A History of Alien Activity from Sightings to Abductions to Global Threat

Robert Matthews

Loch Ness Monsters and Raining Frogs: The World's Most Puzzeling Mysteries Solved

Albert Jack

Need To Know: UFOs, The Military and Intelligence

Timothy Good

Aliens Why They are Here

Bryan Appleyard

Conspiracies and Cover-Ups

David Alexander

Flying Saucers

Carl Gustav

The UFO Investigator's Guide

David Coomer

Universets mysterier (Merkelige fenomener)

Colin Wilson

The Unexplained

Nigel Blundell

Unexplained! 347 Strange Sightings, Incredible Occurrences, and Puzzling Physical Phenomena

Jerome Clark

Universe

Dorling kindersley

Mystikkens verden: tid og rom

Time-life books

The paranormal an illustrated encyclopedia

Stuart Gordon

Mystikkens verden: Tid og rom.

Serie Time-life books

Mind over Matter

Time Life

Psychic Voyages

Time Life

Modern Mysteries of the World

Janet Bord, Colin Bord

Universet

Iain Nicolson

the directory of possibilities

Colin Wilson and John Grant

Secret corners of The World

Leslie Allen

Kosmos

Carl Sagan

The Amazing Universe

Herbert Friedman

The World Atlas of Mysteries

Francis Hitching

UFO fænomenet. Beviser for uhyggelige nærkontakter af første, anden og tredje grad.

Johannes von Buttlar

Amazing Universe

Herbert Friedman

Flying Saucers: the Startling Evidence of the Invasion From Outer Space

Coral Lorenzen

Man Probes the Universe

Colin A.

Universets mysterier

Colin Wilson

UFO-fenomenet