The Urth of the New Sun

Blurb

The Urth of the New Sun is a 1987 science fiction novel by Gene Wolfe that serves as a sort of coda to his 4-volume Book of the New Sun series. Like Book, it is of the dying earth subgenre. It was nominated for the Hugo Award for Best Novel, Locus Award for Best Science Fiction Novel and the Nebula Award for Best Novel in 1988.
Urth of the New Sun picks up the tale of Severian, the protagonist of Book of the New Sun, years after that work's end. He leaves his role as Autarch of Urth to seek a new sun for Urth.