What does Library Mail consist of?

Library Mail is a specific mail classification established to facilitate the exchange of materials between libraries, educational institutions, and authorized organizations. This type of mail includes items such as books, periodicals, and other educational resources that are sent between authorized schools, colleges, and libraries, allowing them to share information and materials essential for educational purposes.

The program is designed to support the mission of libraries and educational institutions in fostering learning and access to information. The reduced postage rate for Library Mail encourages inter-library loans and exchanges that benefit the community. Items sent through this classification must meet certain eligibility requirements and must be sent between entities that are authorized under the Library Mail regulations.

This understanding highlights why this option is the most accurate representation of what Library Mail consists of, as it specifically pertains to the interaction between educational and library institutions.