Strange The Dreamer by Laini Taylor

The dream chooses the dreamer, not the other way around--and Lazlo Strange, war orphan and junior librarian, has always feared that his dream chose poorly. Since he was five years old he's been obsessed with the mythic lost city of Weep. Then a stunning opportunity presents itself, in the form of a hero called the Godslayer and a band of legendary warriors, and he has to seize his chance or lose his dream forever.

What happened in Weep two hundred years ago to cut it off from the rest of the world? And who is the blue-skinned goddess who appears in Lazlo's dreams?

In this sweeping and breathtaking novel by National Book Award finalist Laini Taylor, author of the New York Times bestselling Daughter of Smoke & Bone trilogy, the shadow of the past is as real as the ghosts who haunt the citadel of murdered gods. Fall into a mythical world of dread and wonder, moths and nightmares, love and carnage.
The answers await in Weep.