THE PAPER DESCRIBES THE NEED FOR A NEW MICROFICHE REDUCTION RATIO TO PROVIDE MORE SATISFACTORY MICROFORMS OF BOOKS AND PERIODICALS FOR LIBRARIES OF THE FUTURE AND URGES ITS CONSIDERATION AND ADOPTION BY THE MICROFILM INDUSTRY. IT DISCUSSES THE CONCEPT OF HAVING ONE MICROFICHE FOR EACH BOOK, AND ITS ADVANTAGES IN USE IN A DISTRIBUTION LIBRARY, OR IN AN AUTOMATED LIBRARY, USING TIME-SHARING TECHNIQUES. THE GENERAL CHARACTERISTICS OF LIBRARY FICHE, THE REDUCTION RATIOS, THE NUMBER OF PAGES, AND PREPARATION REQUIREMENTS ARE GIVEN. THE ECONOMIC COSTS OF ORIGINAL AND DUPLICATE LIBRARY FICHE ARE SPECIFIED. THE SIZE AND SHAPE OF THE POTENTIAL MARKET IS SPECIFIED, AND FUTURE GROWTH OF THE MARKET DELINEATED. THIS DOCUMENT IS AVAILABLE AS AD-661-660 FROM THE CLEARINGHOUSE FOR FEDERAL SCIENTIFIC AND TECHNICAL INFORMATION, SPRINGFIELD, VIRGINIA 22151, $3.00 FOR HARD COPY, $0.65 FOR MICROFICHE, 14 PAGES. (AUTHOR)