This satirical work is a critique of the practices of the Church and the wider social behavior of the time. Narrated by Folly, the female personification of foolishness, the book humorously criticizes various aspects of society such as superstitious religious practices, scholarly pedantry, and the excesses of the upper classes. The book is a bold critique of its time, using humor and irony to expose the follies of its society.

"Wittgenstein's Nephew" is a semi-autobiographical novel that explores the friendship between the narrator and his friend Paul, who is the nephew of the famous philosopher Ludwig Wittgenstein. The story takes place in Vienna and is set against the backdrop of the Austrian mental health system. The novel delves into themes of sanity, insanity, and the fine line that separates the two, while also offering a critique of Austrian society. It is a meditation on the nature of illness, both physical and mental, and the impact it has on personal relationships and one's perception of the world.