"Dr. Theo Cray has a legendary mathematical knack for catching serial killers. Until his exposure to a mind-altering pathogen knocks him off his game. It has upended an investigation, destroyed his reputation, and left him to question his own sanity. One person still trusts him to finish the job. His former professor Amanda Paulson is helping point Cray down a logical path to his prey: a nomadic health-care worker whose murder spree stretches back decades and whose victims number in the hundreds"--Publisher.
Andrew Mayne.
![Subscribe to our blog](/sites/default/files/default_images/wp.png)
![Like us on Facebook](/sites/default/files/default_images/fb.png)
![Subscribe to our YouTube Channel](/sites/default/files/default_images/yt.png)
![Follow us on Twitter](/sites/default/files/default_images/tw.png)
![Follow us on instagram](/sites/default/files/default_images/inst.png)
![Follow us on Tumblr](/sites/default/files/default_images/tu.png)