How to extract key ideas from an ePub book using Gemini Notebook (NotebookLM)

Gemini Notebook, formerly called NotebookLM, is an AI‑powered app that processes ePub documents to produce concise summaries of their main ideas. The article explains how to import an ePub book and extract useful notes to aid review and study.

Summary written by Kernelia from the original article by Hipertextual. The story and its rights belong to its author.