Ink Insc. Front Endpapers. 268 pages with index. Foreward by J. Allen Hynek. Dust jacket has tears, slight soil. B&W illustrations, slight warp to covers. Ink inscription front endpapers. Describes in detail the best documentation and most fascinating cases of UFO's. The authors proceeded to examine the scope of this perplexing problem. History. Miscellaneous. UFO's, unexplained phenomena, flying saucers, aliens, extra-terresterials, science fiction.