right spot, and that's that. You know you'll be able to find it whenever you want, and the information it holds won't change until you pull the card out and change it yourself.
Keep this in mind and think for a moment about how your library is organized. If it is not already automated in some way, you probably have various collections of written records that help you manage each aspect of your library's operation. You might have a file drawer with folders tagged for each vendor where you keep invoices. You might have a Kardex where you check in your acquisitions. You almost certainly have a card catalog, and you have a place to put the book cards for each book checked out. You have a file where