Data Storage

• Call number classification, for either Dewey Decimal or Library of Congress classification (see also: comparison of the two systems). Should also support arbitrary call number classification.
• Book condition/status: e.g. destroyed, damaged beyond usefulness, lost, given, sold etc.

Scalability

• Should be capable of storing at least 1000? books without slowing down.

Functionality

• Timer and event hooks: optionally run a shell script, Ruby script, or an alert window upon events like book returned or book overdue.
• Ability to connect to networked database backend to store books. This allows multiple clients to access