The short answer:
WorldCat is the library's catalog where you can search for books, movies, and music. You will also find articles from many of our databases here.
The long answer:
WorldCat is the world's largest network of library-based content and services. It is a "master" catalog of library materials. This discovery tool is a way for you to find a book, video, or other item and see if MJC or another library owns the item.
The types of items you can find in WorldCat include: