While the Ohio University Libraries do not own a copy of all books required for classes, your book may be on reserve, available on the shelf, available as an e-book or available through OhioLINK.
Change the search to Course Reserves and type in the title.
Click the spy glass
Click on the title of the item record
The item record will let you know where and for how long a Course Reserve can be checked out for.
This one holding location from an OHIO University Library on the Second Floor Reserves for 2 hours. You would give the title and call number to the library desk worker