The brand new novel from Michelle Kenney, author of the Book of Fire and City of Dust! As Talia treks back through the treacherous North Mountains, she knows only three things: Pantheon has stolen nearly everyone she loves; Her blood is the only control over the Voynich's oldest secret; And Cassius won't stop hunting Arafel until every last outsider is destroyed. Will Talia finally face her legacy and defeat Cassius before it is too late?