Book of the Week • "Must-Read Books of Winter" • "Best Books of Winter" • "2019 Books to Bring to Your Book Club" • "Biggest Books of Winter" • "Best Books of January 2019" • "January's Best Psychological Thrillers" • "7 Books That You Should Resolve to Read This January" • "The 50 Most Anticipated Books of 2019" • "5 New Books Not to Miss" • "The Best Women’s Fiction of 2019 (So Far)" • "Winter Releases You Can’t Afford to Miss" "Hendricks and Pekkanen are at the top of their game... — “Beware strange psychologists… to bring them to the brink of disaster - and dare them to jump off.” — Looking to earn some easy cash, Jessica Farris agrees to be a test subject in a psychological study about ethics and morality. But as the study moves from the exam room to the real world, the line between what is real and what is one of Dr. Shields’s experiments blurs. Dr. Shields seems to know what Jess is thinking… and what she’s hiding. Jessica’s behavior will not only be monitored, but manipulated. Caught in a web of attraction, deceit and jealousy, Jess quickly learns that some obsessions can be deadly. From the authors of the blockbuster bestseller , Greer Hendricks and Sarah Pekkanen, will keep you riveted through the last shocking twist.