Tom Clancy Commander in Chief by Mark Greaney

This electrifying thriller in Tom Clancy's #1 New York Times bestselling series has President Jack Ryan and his allies facing a treacherous foe threatening to unleash chaos around the globe... When the desperate Russian president launches an all-out covert violent offensive into order to push the world into chaos and regain the power his once-mighty country has lost, it’s up to U.S. President Jack Ryan and all of his allies to stop the madman’s grand plan of global conflict and conquest.