"The Shadow World" by Hamlin Garland is a novel written in the early 20th century. The book explores themes of spiritualism and the phenomena associated with it, centering around a group of intellectuals who engage in discussions and experiments involving psychics and the supernatural. The narrative begins to unfold through the interactions and debates amongst the characters, setting the stage for a deeper exploration of the unknown. The opening of the book introduces a dinner party where various guests express differing views on telepathy and spiritualism. The main character takes a leading role in discussing these phenomena, mentioning his involvement with the American Psychical Society and his experiences with mediums. As the conversation progresses, the guests become increasingly intrigued by the topic, leading to a proposal for a psychic séance. This sets the groundwork for potential revelations and encounters with the "shadow world" that will unfold in later chapters. The atmosphere is charged with curiosity and skepticism, reflecting the tension between belief and disbelief that pervades the narrative. (This is an automatically generated summary.)