

]

.pull-right[
### Chapter 1  Prerequisites

This is a _sample_ book written in **Markdown**. 
&lt;hr&gt;
### Chapter 2  Introduction

Blah blah blah.
&lt;hr&gt;
### Chapter 3  Literature

Here is a review of existing methods.
]


---
class: middle
name: headers-manip

## .center[.fancy[Un-numbered Chapters]]

.pull-left[
`index.Rmd`

```r
*# Prerequisites {-}

This is a _sample_ book written in **Markdown**. 
```
&lt;hr&gt;
`01-intro.Rmd`

```r
# Introduction 

Blah blah blah.
```
&lt;hr&gt;
`02-literat