Google NotebookLM Adds Native ePub Support

Google recently added native ePub support to NotebookLM, enabling users to drag-and-drop eBook files directly into private notebooks. The update supports up to 50 sources per notebook and enables cross-source queries, chapter-precise citations, mind maps, and slide/audio summaries for large series such as a 4.4-million-word saga. Readers can now avoid spoilers and streamline narrative tracking without PDF conversions.
Key Points
- 1Adds native ePub support enabling direct drag-and-drop of ebooks without PDF conversion or DRM tools
- 2Creates a closed-loop notebook limited to uploaded books, avoiding online spoilers and external fan theories
- 3Enables cross-source queries, chapter-precise citations, mind maps, and slide/audio summaries to streamline narrative tracking
Scoring Rationale
Practical product update delivering immediate reading workflow benefits, but limited novelty beyond format ingestion and UX improvements.
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