To request a digital copy of a book the library has in print or to request a scanned copy of a chapter in a book Temple owns, use the "How do I get this" options in the record for the book in Library Search for Find Books, above.
This search box searches both print and digital books in the Temple collection. You might also see books marked Request Rapid Access. Just follow the instructions for getting access to those. If you need just a chapter of a book in print, click on the tab How to get this to request it to be sent to you.