The Blue Book Files (fan site)
Has episode summaries, set photos from Hollywood North: http://thebluebookfiles.com/
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This site is better for location shoots, used to be yvrshoots. http://www.hollywoodnorth.buzz/category/blue-book
Not much there! Most interesting from Jan with 30m video and partial transcript. I posted this 2 weeks ago.
'Project Blue Book' Cast and Creators Talk UFO Sightings and Alien Mysteries: "I Don't Look at the Night Sky the Same Way"
https://www.hollywoodreporter.com/news/project-blue-book-cast-creators-talk-ufo-sightings-alien-mysteries-1267435