A notebook consists of a number of pages.
You can provide a notebook summary. By including an image URL in notebook summary, you give the notebook a cover image.
You can view each page in full by clicking on "more". Clicking on "expand all" to the right of the notebook title will expand all pages.
You can modify the title, description, and URL of a page.
You can add multiple images by entering the image URLs into the page description.
You can rearrange the pages within a notebook by dragging the page body and dropping it wherever you want it to be.
Under the "tools" drop-down menu, you'll find a few other actions you can perform on a page.