Sometimes you may want to split up a large book, to show off a specific section of coverage on its own or to find out the overall metrics for that section.
The easiest way to do this is via the Coverage Vault, which you can get to from the top menu.
Once there, you can use the Book and Section filters on the left to find the section you want to add to a new book.
Use the 'Select All' button at the top of the table to select all the coverage in that section. Then select 'Create new book from selection'.
From there you can name the book, choose the section title, and add it to a folder.
You now have a new book with just the section you wanted! You can view the metrics for this in the 'Summary' section or via the CSV export in the 'Share book' section.