|
| | Contributors | ix-x |
|
| Carl SAGAN, Thornton PAGE | Editor's Introduction | xi-xx |
|
| | Selected UFO Cases | xxi-xxxi |
|
| | Part I - Background |
| Thornton PAGE | Education and the UFO Phenomenon | 3-10 |
| William K. HARTMANN | Historical Perspectives: Photos of UFO's | 11-22 |
| Franklin ROACH | Astronomers' Views on UFO's | 23-33 |
|
| | Parte II - Observations |
| J. Allen HYNEK | Twenty-one Years of UFO Reports | 37-51 |
| James E. McDONALD | Science in Default: Twenty-one Years of Inadequate UFO Investigations | 52-122 |
| Donald H. MENZEL | UFO's - The Modern Myth | 123-182 |
| Kenneth R. HARDY | Unusual Radar Echoes | 183-189 |
| R. M. L. Jr. BAKER | Motion Pictures of UFO's | 190-210 |
|
| | Part III - Social and Psychological Aspects |
| Robert L. HALL | Sociological Perspectives on UFO Reports | 213-223 |
| Douglass R. PRICE-WILLIAMS | Psychology and Epistemology of UFO Interpretations | 224-232 |
| Lester GRINSPOON, Alan D. PERSKY | Psychiatry and UFO Reports | 233-246 |
| Frank D. DRAKE | On the Abilities and Limitations of Witnesses of UFO's and Similar Phenomena | 247-257 |
| Walter SULLIVAN | Influence of the Press and Other Mass Media | 258-262 |
|
| | Parte IV - Retrospective and Perspective |
| Carl SAGAN | UFO's: The Extraterrestrial and Other Hypotheses | 265-275 |
| Philip MORRISON | The Nature of Scientific Evidence: A Summary | 276-290 |
|
| | Addendum: Discussion | 291-302 |
