Type your search in the OneSearch search box.
Your results will include a variety of types of resources. To limit your results to those titles owned by the BSU Libraries, click on "Library Catalog" on the left, under Refine Your Search.
Most books will be in the General Collection, on the upper floors of Bracken Library. Use the Book Locations and Floorplans page to figure out the exact floor to go to, based on the first couple letters of the call number. PN, for example, where theatre books are often classified, can be found on Floor 3 East.