La cité des illusions : la ligue de tous les mondes

City of Illusions is a 1967 science fiction novel by American writer Ursula K. Le Guin. It is set on Earth in the distant future, and is part of her Hainish Cycle. City of Illusions lays the foundation for the Hainish cycle which is a fictional universe in which the majority of Ursula K. Le Guin's science fiction novels take place.: 18–19