The Unhoneymooners, penned by Christina Lauren, is a hilarious workplace drama romance book. The story follows Olive Torres, who reluctantly agrees to go on her twin sister's honeymoon after everyone else falls ill from food poisoning. The catch? She has to share the trip with Ethan, the best man and her sworn enemy. As they navigate unexpected adventures and sparks fly, they both realize that love can be found in the most unexpected places.