New ask Hacker News story: Ask HN: What's the best way to write a book in Markdown?

Ask HN: What's the best way to write a book in Markdown?
2 by JSLegendDev | 0 comments on Hacker News.
What are the best available tools to use if I want to write a book in markdown and export it as a pdf primarly? It needs to handle displaying code well as I want to write a technical book.