Adding a cover image to an audiobook
Required metadata
To add a cover image to an audiobook:
Go to the Metadata > Media section
Click on the Add button
Click on the Select button to select the desired file on your computer
In the Title field, enter the title of the document (example: Cover)
In the Type field, select the type of media from the options provided (Front cover)
Click on Save
Note that some resellers, such as Findaway, only accept square cover images.
For the best display quality, make sure all images are at least 2400 pixels on each side.