Madeleine Roux is an American author who primarily writes young adult fiction, specializing in paranormal and horror genres. She gained significant recognition with her "Asylum" series, which debuted in 2013 and became a New York Times bestseller. Before her success in published novels, Roux cultivated an online following with her zombie fiction blog, "Allison Hewitt Is Trapped," which she later adapted into her debut novel.

Beyond her popular young adult series, Roux has also penned standalone adult science fiction novels, such as "Salvaged" and "Reclaimed," which received critical acclaim. Her writing extends to works based on established licensed properties, including novels for the "World of Warcraft" and "Dungeons & Dragons" universes, as well as contributions to "Star Wars" anthologies. Roux's career also includes middle-grade books and a prequel novel for the "Critical Role" campaign. Her work has occasionally drawn attention, as seen with the review and subsequent brief inquiry into "House of Furies" by the Oklahoma attorney general's office.

Madeleine Roux established her literary career with a focus on young adult fiction, particularly in the paranormal and horror subgenres. Her breakout success came with the "Asylum" series, a collection of gothic-inspired horror novels that explore themes of confinement and psychological unease, culminating in the first book becoming a New York Times bestseller. Prior to this, her debut novel, "Allison Hewitt Is Trapped," originated from a popular zombie fiction blog, demonstrating an early engagement with online communities and genre fiction. Roux has also ventured into adult science fiction with novels like "Salvaged" and "Reclaimed," which delve into darker, speculative themes, earning starred reviews for their intense narratives. Her bibliography also includes a Regency romance novel, "The Proposition," showcasing a broader range of her writing capabilities.

Roux has made significant contributions to established fictional universes, demonstrating her versatility and appeal across different fan bases. She has authored novels within the popular "World of Warcraft" universe, including "Shadows Rising," which appeared on Publishers Weekly's bestseller list. Her involvement with "Dungeons & Dragons" includes the "Dungeon Academy" series aimed at middle-grade readers, and a novel published under the pen name Diane Walker. Furthermore, Roux contributed a short story, "Eclipse," to the "Star Wars" anthology "From a Certain Point of View," which was noted for its poignant portrayal of Alderaan's destruction. Her work also extends to the "Critical Role" franchise with the novel "The Mighty Nein – The Nine Eyes of Lucien," exploring narrative arcs within the popular role-playing game's lore.