At the beginning of the fall term at Winchester University, in ruralIndiana: On the first day of class, Professor Williams presents astartling scenario to the students in his Logic and Reasoning 204 course:A young girl has gone missing and the class has until the end of thequarter to find her or she will be murdered. The students believeWilliams' tale is nothing more than a logic puzzle, but soon three of them- Mary, Brian and Dennis - stumble upon a real-life, unsolved disappearancethat sounds eerily similar to the one Williams described, the case ofDeanna Ward, a girl who went missing 20 years earlier and was neverfound.Each of them becomes obsessed with the two women and the professor,a shadowy figure himself. As the real world and Williams' puzzle begin tomerge, the three young people are thrown into a complex and horrifyinggame of deception. What's real, what's fiction, and how far will thestudents go to obey authority? 'A taut and timely thriller that exploresthe dark side of academia, where classrooms are dangerous and paranoiaabounds' - Karin Slaughter. 'Obedience draws you in and never lets you go- and what a ride' - David Baldacci.