How to write a book in Emacs ∴

How to write a book in Emacs by Mickey Petersen:

On the whole, the entirety of the book, from conception as a series of notes and TODOs in Org mode, to the editing and merging of changes made by the proofreader took place in Emacs. The only tool I did not have in Emacs was Amazon’s Kindle Previewer tool.

He decided to write in reStructuredText and convert the document to LaTeX and ePub using Pandoc, but of course there are other options such as writing directly in LaTeX.