Your best bet for finding books is:
Here are some quick tips for searching the library catalog for books.
If you're looking for a specific book in print format and Rasmuson Library doesn't have a copy, try searching WorldCat.
If you find the book in WorldCat you can request it via Interlibrary Loan.
Not all eBooks make it into the Library Catalog. Below is a list of Rasmuson Library databases containing eBooks.