Phantoms, massive beasts of nightmare, began terrorizing the world. At the same time four girls, the Effigies, appeared, each with the unique power to control a classical element. Since then, they have protected the world from the Phantoms. At the death of one Effigy, another is chosen, pulled from her normal life into the never-ending battle.When Maia unexpectedly becomes the next Fire Effigy, she resists her new calling. A quiet girl with few friends and almost no family, she was much happier to admire the Effigies from afar. Never did she imagine having to master her ability to control fire, to protect innocent citizens from the Phantoms, or to try bringing together the other three Effigies.But with the arrival of the mysterious Saul—a man who seems to be able to control the Phantoms using the same cosmic power previously only granted to four girls at a time—Maia and the other Effigies must learn to work together in a world where their celebrity is more important than their heroism.But the secrets Saul has, and the power he possesses, might be more than even they can handle…

    But it all becomes horrifyingly real when a murder in the past destroys the foundation of Kate’s present-day life. Suddenly, that medallion is the only thing protecting Kate from blinking out of existence.Kate learns that the 1893 killing is part of something much more sinister, and Kate’s genetic ability to time-travel makes her the only one who can stop him. Risking everything, she travels to the Chicago World’s Fair to try to prevent the killing and the chain of events that follows.Changing the timeline comes with a personal cost, however—if Kate succeeds, the boy she loves will have no memory of her existence. And regardless of her motives, does she have the right to manipulate the fate of the entire world?