The Story Is Set In A Utopian Future Where The Protagonist A Man From The 19Th Century Awakens In A Distant Future Society That Values Peace Equality And Harmony With Nature. The Novel Explores The Protagonist'S Experiences As He Encounters This Futuristic Civilization And Contrasts It With The Social Norms And Values Of His Own Time. W.H. Hudson Known For His Love Of Nature And Natural History Writing Created A Crystal Age As A Departure From His Usual Nature-Focused Works. The Novel Examines Themes Of Societal Evolution Idealism And The Contrasts Between Different Eras' Values And Customs.