From the #1 bestselling and USA Today bestselling author Jack Mars (with over 10,000 five-star reviews) comes a groundbreaking new political thriller series: when the President of the United States or his family are threatened, it is up to Jake Mercer, former Marine sniper turned Secret Service agent, to protect them from dangers—both foreign and domestic. Amid a global health crisis at a world summit, Jake faces his deadliest adversary yet—a lethal virus snaring the President and other dignitaries in its contagious grip. Trapped in the sealed epicenter, Mercer must combat biological warfare and the clock to secure an elusive antidote, navigate the treachery of terrorism, and prevent national turmoil. “Thriller enthusiasts who relish the precise execution of an international thriller, but who seek the psychological depth and believability of a protagonist who simultaneously fields professional and personal life challenges, will find this a gripping story that’s hard to put down.”