A powerful meditation on loss and memory seen through the prism of 9/11, by one of our greatest authors. Ben Matson lost someone he loved in the 9/11 attacks. Or thinks he did - no body has been recovered, and she shouldn't have been on that particular plane at that time. But he knows she was. The world has moved on from that terrible day. Nearly 20 years later, it has faded into a dull memory for most people. But a chance encounter...