Mothers and daughters, End of the world, Fiction, Fiction, fantasy, epic, Fiction, fantasy, general, Hugo Award Winner, award:hugo_award=2017, award:hugo_award=novel, Obelisks, Enemies, Fantasy, Fin du monde, Romans, nouvelles, Mères et filles, Obélisques, Ennemis, General, Epic, Action & Adventure, Mother-daughter relationship, Psychokinesis, Long now manual for civilization