The Story Hunter by Lindsay Franklin

Book 3 of Weavers Trilogy

Summary: 

Redeeming the past is a fatal quest.

In the wake of a deadly coup, the capital city of Urian has descended into chaos. Heartbreak and bloodshed await Tanwen and her friends as they discover the unlikeliest leader now rules Tir.

If they want to save the realm, Tannie and the Corsyth weavers must rescue Queen Braith and unmask the Master, ending the strife once and for all. But the success of their hunt depends upon an ally no one trusts.

The Master has a new target in sight: fragile, trauma-scarred Digwyn, whose unique weaving ability could turn the tide of any war. When the desire for vengeance proves too powerful for Digwyn to resist, Tanwen must face a terrifying truth: the fate of Tir rests in the hands of a volatile, shattered girl.

Opening Lines:

I stood before the capital city of Urian, unable to breathe. Wispy strands of pearl-gray sorrow cascaded from my hands and pooled on the ground. 

The city, the one I'd spent most of my young life dreaming about, hadn't been all I'd hoped for--that was true. It hadn't fulfilled me and my desires the way I'd once fantasized it would. But it had been my home for a while. It had been the place where I'd rediscovered my father, alive, after thirteen years apart. The place where we had triumphed over a tyrant, where Braith had rightly been crowned queen, and where I'd thought my future might lie.

And now, it was enveloped in chaos.