Books in the library have call numbers, which are like addresses for their location on the shelf.
Let's say you were looking for the book Online Seductions: Falling in Love with Strangers on the Internet. By searching for the title "online seductions" in the library catalog, you would find the call number.
If your library uses the Library of Congress system, the call number
would be HQ 801 G95 1998. What does this number
If your library uses the Dewey Decimal system, the call number would be
306.70285 G994 O58. What does this number represent?