Filled with intuition, charisma, and the ability to understand people well, Gemini signs won't be able to stop reading One of Us Is Lying by Karen M. McManus. A mix of Pretty Little Liars and The Breakfast Club, this mystery novel is about the murder of Simon and who killed him — his motivated best friends, or a killer who's playing off their motivations. If you pay attention, you may just be able to figure out who the murderer is!