The book is the first book I completed on the topic of UFOs and high strangeness in general. I read this book at night before going to sleep. It was hard to put down for a couple reasons - it scaried me awake so I couldn't sleep, the story was an interesting mystery, and I felt I had to finish it as soon as possible so that the uneasy feeling I had at the time would go away. With that said I still suggest people read it, since the spookiness around the world seems to be increasing. Also, the book is far superior in my opinion as compared to the movie, so I suggest the book first then the movie.