The collaboration of these two authors is incredibly enjoyable! They have absolutely knocked my socks off again. This book explores the theme of Morality. Our main character Jessuca finds herself strapped for cash and by chance she decides to participate in a psychological evaluation based solely on morality. As the questioning continues the Dr in charge of this experiment decides that Jessica is exactly who she is looking for. Dr. Shields then decides to take the study into her everyday life and pushes Jessica to do some experiments for her. It is truly a cat and mouse game that Dr. Shoelds decides to play here. This novel was a page turner. shocking, thrilling and absolutely exciting. I cant wait to see what these two do next!