To make your book more elegant on GitBook, you can specify a cover.
A cover is specified by a cover.jpg file, a cover_small.jpg can also exist as a smaller version of the cover. The cover should be a JPEG file.
| Big | Small | |
|---|---|---|
| File | cover.jpg |
cover_small.jpg |
| Size(in pixels) | 1800x2360 | 200x262 |
A good cover respects the following guidelines:
A GitBook plugin (autocover) can also be used to generate a cover file for you, or just generate the cover_small.jpg from your big cover. This plugin is added by default on hosted books.