For those interested in other "legitimate" UFO sightings, I'd recommend "UFOs: Generals, Pilots and Government Officials Go on the Record" by Leslie Kean [1]. The author is an investigative journalist who sets out to interview observers of relatively well-documented UFO encounters, and ends up speaking mostly with military pilots from around the world. It's a good read, and is even-handed and well written, especially considering the genre.
In the book, two things stood out to me. First, there are a quite a few UFO sightings that are corroborated by non-human sensor data (mostly radar and video). Second, the narrative paints a picture where US government officials are much more secretive than any other nation, by far. Within that context, the releases of the last few weeks are even more surprising.
Highly recommended for anyone interested in a modern, not-too-X-files-like take on UFO phenomena.