You can search USC Libraries holdings via the main USC Libraries portal page. Please use the main search box on the page. To search for books, limit the results to USC Libraries catalog. Select the drop-down menu on the left of the search box and select "Catalog." Please note that USC Law Library has a separate catalog accessible via Asa V. Call Law Library's web page.
[Screenshot of an arrow indicating a search of the USC catalog]
Check out this helpful tutorial on How to use USC Libraries' catalog to search for a book.