hi @tjmahr
Thank you for the reply. I probably do not understand you clearly. I followed your suggestion and added the r code in the beginning of my document in index.Rmd like so...
```{r fig.align='center', echo=FALSE, include=identical(knitr:::pandoc_to(), 'html'), }
knitr::include_graphics('cover.png', dpi = NA)
my cover.png is in the root directory of the book project, so I just write the filename (cover.png), but it does not show up in my gitbook.
Could you clarify a bit more on your response.
Thank you
Ram