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The #1 New York Times bestselling author presents a stunning new novel about an incomprehensible act of violence - and the heroic acts, large and small, that follow in its wake.

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It was a typical evening at a mall outside Portland, Maine. Then the shooters arrived. The chaos lasted only eight minutes before the killers were taken down. But for those who lived through it, the effects would last forever. And as the survivors slowly heal, find shelter, and rebuild, they will discover that another conspirator is lying in wait.

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