Tim Ferriss says his book catalog is down 57% on AI (tim.blog)
Publishers Weekly clocked adult nonfiction down 9% in Q1 2026, with self-help the steepest subcategory at -26.3% year-over-year. Ferriss's thesis: people now believe the best interface for advice is a free chatbot that hands you a personalized protocol instantly.
The thread's counter-fact: the data is print-only. One commenter notes 65% of audiobooks were nonfiction in 2022, and the format has roughly tripled since — the audience may have moved, not vanished.
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