Bride of Shadow King Series Collection 3 Books Set by Sylvia Mercedes Vow, Heart

Though she is the eldest daughter, Princess Faraine lives in the background, shunned from court and kept out of sight. Her chronic illness makes her a liability to the crown, and she has learned to give place to her beautiful, favored younger sister in all things.When the handsome and enigmatic Shadow King comes seeking a bride, Faraine is not surprised that her sister is his choice.Though not eager to take a human bride, King Vor is willing to do what is necessary for the sake of his people. When he meets the lively Princess Ilsevel, he quickly agrees to a marriage arrangement....

Her deceit discovered, Faraine finds herself trapped in the Shadow Realm at the mercy of her new husband. She’s surrounded by enemies, far from any allies, and her best bet for survival is to convince Vor to send her home.But to do so means to give up on the alliance. Which would spell disaster for her people. With the tremors growing worse and poison spreading through his realm, Vor is more desperate than ever to find a solution. Only, it cannot involve his wife. Vor wants nothing to do with the woman he has inadvertently married. At one time, he thought he might love her, but now? How can love flourish where trust is broken...

After nearly losing one another in a savage attack on the city, Vor and Faraine return to Mythanar fully committed to their marriage. But the situation in the Under Realm remains dire. With the world poised on the brink of collapse, Vor struggles to protect his kingdom. Though Faraine longs to support him as queen, she fights the weakness in her body at every turn . . . not to mention the strange changes warping her gods-gift.