As the fate of Sonande hangs on a single, horrifying choice, Princess Karina and Malik must decide between a power that could transform the world, or a love that could transform their lives.

Royal assassin Celaena must travel to a new land to confront a truth about her heritage, while brutal and monstrous forces are gathering on the horizon, intent on enslaving her world.

With Finch's help, Alice escaped the Hinterland and her reclusive grandmother's dark legacy. Now she and the rest of the dregs of the fairy tale world have washed up in New York City, where Alice is trying to make a new, unmagical life. But something is stalking the Hinterland's survivors--and she suspects their deaths may have a darker purpose. Meanwhile, in the winking out world of the Hinterland, Finch seeks his own adventure, and a way back home....

For Malik, the Solstasia festival is a chance to escape his war-stricken home and start a new life with his sisters in the prosperous desert city of Ziran. But when a vengeful spirit abducts his younger sister, Nadia, as payment to enter the city, Malik strikes a fatal deal--kill Karina, Crown Princess of Ziran, for Nadia's freedom. But Karina has deadly aspirations of her own. Her mother, the Sultana, has been assassinated; her court threatens mutiny;...

As Fjerda's massive army prepares to invade, Nikolai Lantsov will summon every bit of his ingenuity and charm to win this fight, and Zoya Nazyalensky must embrace her powers to become the weapon her country needs, meanwhile Nina Zenik risks discovery and death as she wages war on Fjerda from inside its capital.

Simon, Baz, Penelope, and Agatha return to England, back to the Watford School of Magicks, and back to their families for a final adventure. Simon must decide whether he still wants to be part of the World of Mages-- and if he doesn't, what does that mean for his relationship with Baz? Meanwhile Baz is bouncing between two family crises and not finding any time to talk to anyone about his newfound vampire knowledge. Penelope would love to help, but...