pip install "jupyter-book<2"

jb create mybook

jb build mybook

mybook/
  _config.yml
  _toc.yml
  intro.md
  chapter-1/
    index.md

intro.md
chapter-1/section.md

notebooks/example.ipynb

```{admonition} Title
:class: tip
Content
```

title: My Book
author: Your Name
logo: _static/logo.png
execute:
  execute_notebooks: auto
repository:
  url: https://github.com/user/repo
html:
  use_repository_button: true

format: jb-book
root: intro
chapters:
  - file: chapter-1/index
    sections:
      - file: chapter-1/section

jb build mybook
jb build mybook --all
python -m http.server -d mybook/_build/html 8000

jb build mybook
ghp-import -n -p -f mybook/_build/html