Status Updates From Anatomy of a Phenomenon: Th...

Not surprisingly Vallée also spends a lot of time discussing French UFO cases that back then weren't well known in English-speaking countries. He also criticises Project Blue Book's study of UFO reports for making methodological errors that to him are obvious, and is more open towards the extraterrestrial hypothesis than he would be later in his career.

this is way more "hard science" in its perspective than "Passport to Magonia" which took more of a humanistic and folkloristic angle, also interesting to read about pre-Kenneth Arnold UFO cases that even I have never heard of until now