Book excerpt: A New York Times Best Thriller of 2021 A Washington Post Best Thriller of 2021 A New York Public Library Best Book of the Year An Amazon Editors’ Pick ''Bloody good.'' —The New York Times ''Timely, surprising, emotionally alive, this is about as good as suspense fiction gets.'' —Washington Post No one even knew they were together. Now one of them is dead. 56 DAYS AGO Ciara and Oliver meet in a supermarket queue in Dublin and start dating the same week COVID-19 reaches Irish shores. 35 DAYS AGO When lockdown threatens to keep them apart, Oliver suggests they move in together. Ciara sees a unique opportunity for a relationship to flourish without the scrutiny of family and friends. Oliver sees a chance to hide who—and what—he really is. TODAY Detectives arrive at Oliver’s apartment to discover a decomposing body inside. Can they determine what really happened, or has lockdown created an opportunity for someone to commit the perfect crime?