What is a book cover picture?

 The cover photo is the image that appears on the book on your home screen :

But also in the list of notebooks on the sidebar:

You will also see the cover photo at the top right of your notebook, once you have opened it (if your table is not open in full screen):

Default cover photo

By default, the cover photo of the book is the profil image of the member who created it.

If the member does not have a profile image, it will be replaced by the color of the notebook:

Change your cover picture

In the book settings, if the option  is checked, the last image uploaded to the notebook will automatically be the cover photo of the notebook: 

Choose a cover picture

1. Go to the image gallery of the book.
2. On the photo you have chosen, click on the option to use this photo as the cover of the book (first option at the top right).

The image will then become the cover picture of the book.