= YAML


```js
--- 
title: "A Minimal Book Example"
author: "Yihui Xie"
date: "2019-01-16"
site: bookdown::bookdown_site
documentclass: book
bibliography: [book.bib, packages.bib]
biblio-style: apalike
link-citations: yes
description: "This is a minimal example..."
---
```

???

The `site` is **required**


---

# `index.Rmd` = YAML

.pull-left[
```js
--- 
title: "A Minimal Book Example" 
author: "Yihui Xie" 
date: "2019-01-16" 
site: bookdown::bookdown_site 
documentclass: book
bibliography: [book.bib, pac