In Daretana’s most opulent mansion, a high Imperial officer lies dead—killed, to all appearances, when a tree spontaneously erupted from his body. Even in this canton at the borders of the Empire, where contagions abound and the blood of the Leviathans works strange magical changes, it’s a death at once terrifying and impossible. Called in to investigate this mystery is Ana Dolabra, an investigator whose reputation for brilliance is matched only by her eccentricities. At her side is her new assistant, Dinios Kol. Din is an engraver, magically altered to possess a perfect memory. His job is to observe and…