Pager to use within a content type. Each node will show a pager with previous and next nodes.
Set the permissions. Default they are off!
The only thing this module does is counting the items and showing which ones you are watching.
The book module is present in the core. This was already so in Drupal 7. It allows you to show content with a related paging system. For large content it is usefull.
After activating you see a content type 'book page'.