A Fairy's Quest: The Magicals Series, #3

A century ago, the fairy crown was stolen from Alina Lehrer's clan, but now the usurper is dead and it's time to reclaim what's theirs. Rylan Jackson, codename Orion, is The Court's most trusted assassin who always gets the job done. Until his target is Alina, the one woman he can’t resist. Fate has placed them on opposing sides for the crown, but Alina soon learns Fate isn't set in stone.