Can we deploy pre-existing Markdown and R Markdown books with Jupyter Book?

Case studies:

1. Can we render a repo that stores (Python Jupyter notebooks) as Markdown files, e.g. the Elegant Scipy Book? Subscribe to #1 or have a look to Elegant_Scipy_as_a_Jupyter_Book.md, which you can also run interactively on

2. Can we render a Bookdown repo (R Markdown files with R code)? E.g. https://github.com/Robinlovelace/geocompr