In her fourth novel, Ruth Downie brings to life the corruption and treachery of Roman-occupied Britain, as it closes in on her winsome leading man, Gaius Petreius Ruso.

Ruso and Tilla, now newlyweds, have moved back to Britannia, where Ruso's old friend and colleague Valens has promised to help him find work. But it isn't the kind of work he'd had in mind-Ruso is tasked with hunting down a missing tax man named Julius Asper.

Of course,

To save the world and our future, Sigma Force must embark on a dangerous odyssey into an ancient past whose horrors are all too present in this page-turning thriller from #1 New York Times bestselling author James Rollins that combines cutting-edge science, historical mystery, mythology, and pulse-pounding action.

For eons, the city of Troy—whose legendary fall was detailed in Homer's Iliad—was believed to be