Title: Nightside the Long Sun (Book of the Long Sun Series #1), Author: Gene Wolfe
Title: Lake of the Long Sun (Book of the Long Sun Series #2), Author: Gene Wolfe
Title: Caldé of the Long Sun (Book of the Long Sun Series #3), Author: Gene Wolfe
Title: Exodus from the Long Sun (Book of the Long Sun Series #4), Author: Gene Wolfe
Title: Litany of the Long Sun: Nightside the Long Sun/Lake of the Long Sun, Author: Gene Wolfe
Title: Epiphany of the Long Sun: Caldé of the Long Sun/Exodus from the Long Sun, Author: Gene Wolfe