The Unhoneymooners, written by Christina Lauren, is a hilarious and charming contemporary romance novel that follows the story of Olive Torres and Ethan Thomas. After everyone at their sibling's wedding falls ill, Olive and Ethan, who can't stand each other, are forced to go on the honeymoon trip that was meant for the newlyweds. As they navigate unexpected adventures and fake their way through a romantic getaway, their initial animosity turns into something more.