The Glass Palace by Kathryn Trattner

A curse. An arranged marriage. A chance to live happily ever after. For as long as Astrid can remember she's been betrothed to a stranger. When tragedy strikes her husband-to-be emerges from the shadows ready to claim her hand in marriage. Unable to resist this mysterious stranger she is drawn into a realm of captivating magic and haunting secrets. Tyhr has lived behind a silver tiger mask for years, cursed to a dark fate and suspended in time. Astrid could be the one to break the spell but first, he must earn her trust and break through the hard shell encircling her heart. In this extraordinary new life, Astrid will forge friendships and confront ancient creatures. Through perilous trials and breathtaking adventures, she will have to decide what promises are worth keeping and which must be broken. Immerse yourself in this spellbinding retelling of the classic fairy tale East of the Sun, West of the Moon—where romance and adventure collide in an unforgettable tale of love and magic.