"The #1 New York Times bestselling author of Year One and Of Blood and Bone concludes her stunning new trilogy praised as "A match for end-of-the-world classics like Stephen King's The Stand." After the sickness known as the Doom destroyed civilization, magick has become commonplace, and Fallon Swift has spent her young years learning its ways. Fallon cannot live in peace until she frees those who have been preyed upon by the government or the fanatical...

Six months after vanishing into an underground silo with sixty others, Wynter and Chase emerge to find the area abandoned. There is no sign of Noah and the rest of the group that was supposed to greet them when they emerged--the same people Wynter was counting on to help her locate the IV antibiotics her gravely ill friend, Julie, needs in order to live. As the clock ticks down on Julie's life, Wynter and Chase embark on a desperate search for medicine...