A bill to amend title 39 of the United States Code to require the Postal Rate Commission to consider matters in its rate-making procedures, to provide for the treatment of certain mail matters as certain classes of mail, and for other purposes.

Amends the Postal Reorganization Act to include among the factors to be considered by the Postal Rate Commission in making a recommended decision on a request for changes in rates, fees or service the educational, cultural, scientific, and informational value to the recipient of mail matters involved.

Includes as "periodical publications", for the purpose of qualifying as second class mail, legal and public policy looseleaf reporting service materials.

Entitles (1) national and State committees of national political parties and (2) one State conservation publication in each State to preferential rates.

Permits books, films, and similar educational materials to be mailed from a publisher or distributor to a school, college, university, or library at the same rate as that charged schools, libraries, and nonprofit organizations for mailing such matter.