WorkThe story, in brief
AI-generated books are flooding Amazon and tanking sales for human authors
20% of Amazon's self-published catalog is AI-generated — but human authors are seeing revenue per book drop in 7 of 8 genres. This is the market-harm data copyright cases have been waiting for.
The KeyNews take
Why it matters
AI-generated content is measurably disrupting a creative profession and producing quantified harm that could reshape copyright litigation and publishing economics. This is no longer theoretical — it's a documented market shift with legal implications.
The key facts
5 to knowAI-generated books: 20% of Amazon self-published catalog
AI-generated books: 12% of sales revenue
Revenue per human-written book declining in 7 of 8 genres
Study data usable as evidence in copyright litigation
Market harm now quantifiable and documented
Go to the source
The Decoderthe-decoder.com
Publisher excerpt: AI-generated books make up 20 percent of Amazon's self-published catalog but bring in only 12 percent of sales. A new study finds that revenue per book is dropping for human-written titles too, in seven of eight genres. The findings could give copyright plaintiffs the market-harm data their cases…