Having clicked 'Request digitisation' in the reading list (which needs to be in 'Edit' mode), this window appears:

Enter the chapter/section name, page range(s), and author(s) of the chapter (if not already present). If not a full chapter then untick the box to the right of 'Resource type'.
You can also enter the page range of the bibliographic references for that chapter, if you would like them scanned. Sometimes these will come at the end of the chapter, and sometimes at the end of the book either separated into chapters or not. In all cases we can scan them if desired. If not separated into chapters we will scan the whole references section.
PLEASE NOTE:
- Specify the name of the chapter, rather than simply entering the chapter number.
- If the section or chapter does not have a specified author, then the author of the book should be in the author box.
The box should now look something like this:
