As someone that’s dealt with Sleep Paralysis since I was a teenager, this book (obviously) drew me in. It was an intriguing read, that took from different sources, & studies to support examples throughout. With that said it discussed different points of view- Paranormal, Spiritual, Medical, etc. The author used his own personal experiences to give some context to the subject as well. 
Not gonna lie, it was a huge info dump that was hard to read straight for extended periods of time. I had to take breaks from it, & take my time with this one. But there honestly was a lot of interesting information, & I learned a lot from it! 
I would honestly recommend this one to a fellow SP friend! ❤️