| Editor | DK Direct Limited, Deirdre Headon, Sarah Miller |
| Senior Editor/Director | Richard Williams (3) |
| Publisher | Reader's Digest |
| Illustrator | Paul Bailey, Russell Barnet, Roger Cherrill Ltd., Roy Flooks, Peter Gudynas, Julek Heller, Imago, Richard Manning, Mark Surridge |
| Editorial Assistant | Pat White |
| Photography | Simon Farnhell, Andrew Griffin, Mark Hamilton, Steve Jeffries, Steve Lyne, Susanna Price |
| Editorial Director | Jonathan Reed |
| Consultant | Hilary Evans, Reg Grant |
| Design Manager/Supervisor | Ed Day |
| Designed by | DK Direct Limited |
| Photo/Picture Researcher | Frances Vargo, Sharon Southern |
| Art Director/Editor | Simon Webb, Mark Osborne |
| Series | Quest For The Unknown |
| Researcher | Julie Whitaker |
| Copyright Holder | The Reader's Digest Association, Inc., The Reader's Digest Association (Canada) Ltd., The Reader's Digest Association Far East Limited |
| About/Subject | UFO: Unidentified flying object |
| Contributor | Peter Brookesmith, Rusty Hudson, Kevin McClure, Jenny Randles, John Rimmer, Dennis Stacy |
| Format | Hardback |
| Language | English |
| Location | U.S.A. |
| Copyright | 1991 |
| Pages / Font | 144 pages |
| ISBN | 0-89577-397-X |
| Chapters | Foreward
Introduction: An Alien Encounter
Chapter One: UFO's Through The Ages
Chapter Two: Investigators And Spacecraft
Chapter Three: Contact With The Visitors
Chapter Four: Faith And Paranoia
Chapter Five: Unraveling The Enigma
Index |
