Unfortunately, individual chapter/section purchases of an ebook are not available.
If you previously purchased a chapter/section of an ebook, please log into ons.org with ONS username and password. Your username is the email address associated with your account. Upon successful log in, you will click on My Account on upper right of the screen and then select Account Dashboard. In your Dashboard, you will select “eBooks” under the My Library section and view all ebook purchases, which will display in the form of a PDF.