An extraordinary discovery inspires two human princes and an elven assassin to team up on an epic quest to bring peace to their warring lands.
Emily meets four magical elves and together they journey through Elvendale to find a way home.
More than seven years after the world has become a frozen wasteland, the remnants of humanity inhabit a gigantic, perpetually-moving train that circles the globe as class warfare, social injustice and the politics of survival play out.
