Elizabeth O’Roark’s ‘The Devil and the Deep Blue Sea’ is an exciting romantic book. Just when her life is falling apart, she believes it’s the right time to offer her ex-boyfriend. Joel “Six” Bailey of Drew Wilson has another chance and accepts his invitation to join his family on their Hawaiian vacation. But Joshua Six’s obnoxious elder brother a hot-nerd physician who has detested. Drew since they first met lives with the Bailey family. Following one tropical excursion to another, Drew muses over whether annoying Joshua is the brother she truly belongs with.