A call number is like an address and it tells you where the book is located in the library. It also represents an item's subject matter. Most public libraries and K-12 schools use the Dewey Decimal System. However, most colleges, including TCC, use the Library of Congress (LC) system.
Although call numbers appear on the computer screen horizontally like this: QE 871 .C45 2007, on the spine of the book they appear vertically and are read line by line like this:
