One of Us Is Lying by Karen M. McManus

One of Us Is Lying by Karen M. McManus is a bestselling young adult thriller set inside Bayview High, where five students walk into detention—but only four walk out alive. When Simon, the creator of a gossip app that exposes students’ deepest secrets, dies under suspicious circumstances, everyone in the room becomes a suspect.

As the investigation unfolds, each student has a motive, and hidden truths begin to surface. What starts as a simple detention turns into a complex mystery filled with twists, betrayals, and unexpected revelations.

Fast-paced and full of suspense, this novel keeps readers guessing until the very end and is perfect for fans of mystery, drama, and high-stakes storytelling.

Sequence: Book 1 in Bayview High series