A Nebula Award finalist and winner of the Locus Award for Best Fantasy Novel, Caldé of the Long Sun is the third volume in science-fiction Grand Master Gene Wolfe's Book of the Long Sun tetralogy. Journeying aboard the generational starship The Whorl, the young priest Patera Silk becomes a prophet and revolutionary as he questions his faith while confronting a crime lord in a saga where "[Wolfe] continues to prove himself one of the genre's most literate writers and luminescent thinkers" (Library Journal).