One of Us Is Lying by Karen M. McManus is a gripping contemporary mystery that explores the tangled web of secrets, lies, and identity among high school students. When five students walk into detention and only four come out alive, the remaining teens become suspects in a murder investigation that reveals just how far people will go to protect the truth—or hide it. In this course, students will delve into the social dynamics of high school life, the role of media in shaping public perception, and the psychological pressures faced by teens today. Through close reading, character analysis, and class discussion, students will examine themes such as truth vs. deception, peer pressure, reputation, and justice. This fast-paced, suspenseful novel provides a powerful platform for developing critical thinking skills while encouraging students to reflect on personal ethics and the consequences of choices.