The UFO Investigator's Guide

Observatøren

Clive Cussler

In Plain Sight - An investigation into UFOs and impossible science

Ross Coulthart

UFO of GOD The Extraordinary True Story of Chris Bledsoe

Chris Bledsoe

Science Fiction

Dan Byrne-Smith

Liftarens guide till galaxen

Douglas Adams

Galactic Patrol

E.E. 'Doc' Smith

HOCUS POCUS

Invisible Planets

The Universe

John Brockman

The Bigfoot Book

Nick Redfern

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

Robert Matthews

Star Trek

Aliens Why They are Here

Bryan Appleyard

The Complete Astral Traveller

Christopher Nichols

Space

Fernand verger,

Spacecraft in fact and fiction

Harry Harrison

The complete cosmicomics

Italia Calvino

Universets mysterier

Colin Wilson

UFOer og romvesener

Colin Wilson

The Star Trek Encyclopedia : A Reference Guide to the Future

Michael Okuda; Denise Okuda; Debbie Mirek

The Unofficial X-Files Companion

NE Genge

The Unexplained

Nigel Blundell

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

Jerome Clark

Hardyguttene - og den store UFO-svindelen

Franklin W. Dixon

Univers Uten Grenser

Stephen W. Hawking

Universe

Dorling kindersley

The paranormal an illustrated encyclopedia

Stuart Gordon

At the edge of the universe

Alan wright

The UFO Phenomenon

Time Life

Ufo-fenomenet

Johannes von Buttlar

Halleys komet

Isaac Asimov

The sentinel

Arthur C.

The Universe Within

Morton Hunt

Kosmos

Carl Sagan

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

Johannes von Buttlar

Challenge of the stars

Patrick Moore

Verdens beste Science Fiction

Donald A.

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

Coral Lorenzen

Man Probes the Universe

Colin A.