I've already identified several in this forum.
Dangerous Personalities: An FBI Profiler Shows You How to Identify and Protect Yourself from Harmful People. By Joe Navarro; Toni Sciarra Poynter.
At 99 cents, it's 95% off of the digital list price!
4.6 (116) at Amazon. 258 pages.
https://www.amazon.com/dp/B00K8DSRFE.