In this "flawless" (Lee Child), action-packed thriller that will "keep you guessing until the very end" (Ruth Ware), two parents facing catastrophe must find their lost children before the unthinkable can happen. A Washington Post Best Thriller of the Year An Amazon Best of the Month Mystery & Thriller Pick and an Amazon Editors' Personal Pick In London, the police storm Heathrow Airport to bring in a father for questioning about his missing daughter. In Florida, a mother makes a connection between her son and the bomber, fearing he has been radicalized. And in Oregon, an unknown organization's conspiracy to bring America to its knees unfolds. On the run from the authorities, the two parents are thrown together in a race against time to stop a catastrophe that will derail the country's future forever. But can they find their kids before it's too late? For fans of The Chain and I Am Pilgrim , this ground-breaking, blockbuster thriller is unlike any other thriller you will read this year.