An American mathematician’s assignment in Russia spirals right into a excessive-stakes maze of shifting loyalties and intrigue in a propulsive short mystery through #1 New York Times bestselling writer Lee Child.
Nathan Tyler is an unassuming professor at a middling American college with a alternatively obscure uniqueness in mathematics—in brief, a nobody from nowhere. So why is the White House calling? Summoned to Washington, DC, for a pinnacle-mystery briefing, Nathan discovers that he’s the key to a massive overseas intelligence breakthrough. Reading among the strains of a cryptic collection of equations, he ought to open a door instantly into the heart of the Kremlin and exchange the global balance of strength for all time. All he has to do is get to a assembly with the renowned Russian mathematician who created it. But while Nathan crashes headlong right into a dangerous new sport, the chances in opposition to him suddenly appearance lots steeper.