The Online Public Access Catalogue, often abbreviated OPAC, and frequently synonymous with library catalogue, is an online database of materials held by a library or group of libraries. OPAC enable searching the library's collection of books and other materials.
Find books easily in the Library by noting the call number, which acts as the book's address on the shelves organized by subject.
"Look for the call number on the book's spine or library catalogue to locate the exact shelf where the book is waiting for you to discover its knowledge.