The Kill Order - James Dashner (Maze Runner Prequel)

Paperback. The Kill Order is a prequel to The Maze Runner series that follows teenagers Mark and Trina as they survive the initial sun flares that devastated the world and the subsequent virus that causes rage and madness. After encountering other survivors like Alec, they try to find a cure for the virus, only to discover it was intentionally spread by a group called the Post-Flares Coalition (PFC). The book's tragic ending sees Mark, Trina, and Alec succumb to the virus, but not before sacrificing themselves to save a young, immune girl named Deedee.