The Book of the New Sun is a book written by Gene Wolfe. It was published in four volumes:
- The Shadow of the Torturer
- The Claw of the Conciliator
- The Sword of the Lictor
- The Citadel of the Autarch
According to the books' appendices, this is ostensibly a book that Gene Wolfe has translated from a manuscript written by Severian, also called The Book of the New Sun, recovered from the far future.