Maas, S: Court of Wings and Ruin

Feyre will bring vengeance. She has left the Night Court--and her High Lord--and is playing a deadly game of deceit. Her former lover Tamlin is making deals with Feyre's enemies and she is determined to uncover his plans. But can she make him believe she has come back to him when every fibre of her being yearns for Rhysand? As mighty armies clash, Feyre will discover she is not the only one hiding something. And as the web of secrets, lies and betrayals is revealed, fighting for the truth may cost Feyre and her court the ultimate price.