This novel is a complex, multi-layered narrative that explores themes of addiction, recovery, and the human condition in a near-future society. The story is set in a tennis academy and a halfway house for recovering addicts, and it intertwines the lives of its numerous characters, including a gifted but troubled teenage tennis prodigy, his filmmaker father, and a group of Quebecois separatists. The book is known for its length, intricate plot, and extensive use of footnotes.

The novel centers around a woman named Maria Wyeth, a former model and actress, who is drifting through life in the 1960s Hollywood scene. As she struggles with a failing marriage, a difficult relationship with her daughter, and a career that's spiraling downwards, she grapples with existential despair. Told in a series of fragmented narratives, the story reveals Maria's mental breakdown, her self-destructive behavior, and her desperate attempts to find meaning in a seemingly meaningless world.

The novel follows a mentally unstable man who begins to experience visions after being hit by a mysterious pink light. Convinced the light is a divine entity named VALIS, he and his friends embark on a quest to understand and communicate with it. As they delve into philosophy, religion, and science, the boundaries between reality and delusion begin to blur, leaving both the characters and the reader questioning the nature of existence.

The book is a satirical self-help guide that explores the human condition and our place in the universe through a series of thought experiments, quizzes, and essays. It delves into topics such as existentialism, semiotics, philosophy, science, and religion, all with a humorous twist. The book challenges readers to examine their lives, their beliefs, and their perceptions of reality, ultimately suggesting that we are all a little lost in the cosmos.

In "Why Does The World Exist? An Existential Detective Story," Jim Holt explores the question of why there is something rather than nothing. He interviews philosophers, scientists, and theologians to try to find an answer, delving into topics such as the nature of existence, the origins of the universe, and the meaning of life. Along the way, he examines various theories and arguments, from the Big Bang to the concept of God, in an attempt to uncover the ultimate explanation for the existence of the world.

In "Something Happened," the narrative delves into the mind of Bob Slocum, a successful yet disillusioned corporate executive navigating the complexities of his personal and professional life in post-war America. The novel, characterized by its stream-of-consciousness style, explores themes of anxiety, isolation, and the mundane horrors of everyday existence as Slocum grapples with his relationships with his family, his colleagues, and himself. Through a series of introspective and often disjointed reflections, the protagonist reveals his deep-seated fears and desires, painting a stark and unsettling portrait of a man overwhelmed by the banalities and moral ambiguities of American middle-class life.

"The Denial of Death" is a thought-provoking examination of the influence of death on human behavior and society. The author argues that the fear of death is a primary motivator in human life, influencing our actions, beliefs, and relationships. He explores how culture and religion are often mechanisms to deny and transcend the reality of death, offering symbolic immortality through beliefs in the afterlife or in the enduring impact of one's life work. The book also delves into the psychological impact of this denial and the concept of the "heroic individual" who seeks to leave a lasting legacy.