Lake of the Long Sun tbotls-2
by Gene Wolfe
The Book of the Long Sun (1993–1996) is a series of four science fantasy novels. The Lake of the Long Sun is second book in that series When the gods of the Whorl speak to him about the future, clergyman Patera Silk begins a quest to save his church and his people, the citizens of a giant spaceship on a generations-old voyage to a forgotten destiny.