Big Little Lies, penned by Liane Moriarty, is an addictive urban mystery fiction book set in a seemingly idyllic coastal town. The story revolves around a group of mothers whose lives unravel after a tragic incident occurs at a school trivia night. Moriarty skillfully explores themes of domestic violence, friendship, and the facade of perfection. With its clever narrative structure and well-developed characters, Big Little Lies keeps readers guessing until the final page.