s

.pull-left[
`index.Rmd`

```r
# Prerequisites {-}
```
`01-intro.Rmd`

```r
*# (PART\*) Act one {-}

# Introduction
```

`02-literature.Rmd`

```r
# Literature
```

`03-methods.Rmd`

```r
*# (PART\*) Act two {-}

# Methods
```

]

.pull-right[
.center[
&lt;img src="img/bookdown-skeleton-toc_parts.png" width="70%" /&gt;
]
]

???

Parts already need to have the dash inside the curly braces, which was how we previously removed the numbering from individual chapters like Prerequisites.

To create unnumbered p