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.
Sources
Public references used for this report.
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