To find books you'll want to visit the Grafton Library Catalog. The default search is a keyword search, so you can either neter in a few words about your topic, an author's name or the title of a book.
If you can't find what you need in the Grafton Library catalog, use WorldCat to find books owned by other libraries.
If you find a book in WorldCat this is not owned by Grafton Library you may place an Interlibrary Loan, or ILL, request. The ILL button looks like this: