If you are wanting an article or chapter that Purdue Libraries does not have access to because it's not available electronically or the physical copy is currently checked out then you can request the material through Interlibrary Loan (ILL). The scans MUST follow copyright - see the copyright tab for more information.
You will need to log into ILL to place your request
Go to New Request
Choose PDF Article/Chapter request
Fill out the form and Submit Request
You will then see your request in the outstanding request box on the main page
You will receive an email from ill@purdue.edu when your items is available for download
You will log into your ILL account and you will see your article on the main menu under Electronically Received Articles. You can click View.
When the chapter opens in your browser, select download to save the file.
Follow the instructions on how to Add Scanned PDFs to Your Reading List