Fourth Wing is the #1 New York Times bestselling fantasy romance novel by Rebecca Yarros, published by Red Tower Books (an imprint of Entangled Publishing) in May 2023. It is the first book in The Empyrean series.

Twenty-year-old Violet Sorrengail was supposed to enter the Scribe Quadrant, living a quiet life among books and history. Now, the commanding general—also known as her tough-as-talons mother—has ordered Violet to join the hundreds of candidates striving to become the elite of Navarre: dragon riders. But when you're smaller than everyone else and your body is brittle, death is only a heartbeat away, because dragons don't bond to "fragile" humans. They incinerate them.

With fewer dragons willing to bond than cadets, most would kill Violet to better their own chances of success. The rest would kill her just for being her mother's daughter—like Xaden Riorson, the most powerful and ruthless wingleader in the Riders Quadrant. As the war outside grows more deadly and the kingdom's protective wards begin to fail, Violet begins to suspect that leadership is hiding a terrible secret. Friends, enemies, lovers—everyone at Basgiath War College has an agenda, because once you enter, there are only two ways out: graduate or die.

The novel has received starred reviews from Publishers Weekly and Booklist, and is being adapted into a television series. It features enemies-to-lovers romance, dark academia aesthetics, and intricate world-building across 514 pages.