Allan Hendry publishes The UFO Handbook
- When
- Where
- Chicago, IL
- Sources
- 1 public source
Allan Hendry, chief investigator for Hynek's Center for UFO Studies, published a guide drawn from 1,307 reports he probed in 15 months. He found prosaic causes for all but about 8.6 percent; skeptic Philip Klass praised it highly in a review.