When a renowned expert in infectious diseases disappears without a trace, Letty Davenport, with the world on high alert, calls in her father, Lucas, to locate him, and when their worst fears are confirmed, they must race against time to stop the virus he created from becoming the perfect weapon.

Stephen Pearse and Peter Maryk are doctors who once worked together to research a horrifying virus outbreak in the Congo. Now Pearse heads the Bureau of Disease Control, and Maryk runs the clandestine special pathogens section of the disease detectives- making the two scientists bitter enemies. But when the disease from the Congo re-emerges in America, they must set aside their differences in order to stop a potential worldwide epidemic....

"From the #1 New York Times bestselling author of Small Great Things and The Book of Two Ways comes a deeply moving novel about the resilience of the human spirit in a moment of crisis. Diana O'Toole is perfectly on track. She will be married by thirty, done having kids by thirty-five, and move out to the New York City suburbs, all while climbing the professional ladder in the cutthroat art auction world. She's an associate specialist at Sotheby's...