To search for Open Access art books, do a search in your favorite browser for: open access art books
Another name for Open Access textbooks is Open Educational Resources" or OER. See the library's OER guide for links to Collections & Open Textbooks.
For more information about author's rights related to Open Access, see the library guide on Author Rights and Open Access (OA).
Google Books offers complete full-text for a wide variety of older, out-of-copyright titles, as well as partial full-text (or "previews") for many current books.
To limit your results to full-text only, use the Any view drop-down after you run a search to select Full view.