In this espionage thriller, a CIA researcher who reads books to look for hidden messages returns from lunch to find all his coworkers murdered. Realizing he's now a target, he goes on the run, unsure of whom he can trust. Over the course of six tense days, he navigates a dangerous game of cat and mouse with his pursuers, using his intelligence and resourcefulness to stay one step ahead. As he seeks to uncover the reason behind the attack and who is responsible, he finds himself entangled in a deep conspiracy that reaches higher levels of power than he could have imagined.

The 2431st greatest book of all time