The book is a personal account of a prominent German judge's struggle with severe mental illness. It provides a detailed and vivid description of his experiences with psychosis, hallucinations, and delusions, which he attributes to divine intervention and cosmic forces. The author's attempt to understand and make sense of his condition forms the core of this memoir, and his insights have been influential in the fields of psychology and psychiatry. His narrative is a unique exploration of the mind and its relationship with reality, providing an intimate perspective on mental illness.

"Vertigo" is a complex narrative that combines elements of fiction, travelogue, biography, and autobiography. The novel is divided into four sections, each exploring the life and works of different historical figures such as Stendhal, Kafka, and Casanova, as well as the author's own experiences. The narrative is characterized by its exploration of themes such as memory, identity, and the past, often blurring the lines between fact and fiction. The book is also notable for its distinctive style, featuring long, meandering sentences and a lack of traditional plot structure.