/ THE IMPLICATIONS FOR LIBRARY POLICY Tue runcrions of the public library in the United States are varied and diverse. The infinite richness of life is stored upon its shelves, and persons of all kinds are found within its walls. But despite the variety of library materials and clientele, some generalizations about the public library can be made. With the modern increase in leisure, the public devotes much time to becoming informed, educated, recreated, and entertained. In this connection, exposure to the mass media of communication occupies a major share of people’s attention today—reading newspapers, magazines, and books, seeing movies, and listening to the radio. During as much as one fourth of his waking day the average adult is engaged in one or another of these activities. Never before have people spent so much time with formal media of communication. The “great society” is dependent on such facilities, and it makes a good deal of use of them. For information, education, and recreation most adults go to the newspaper and the radio. A majority of them read na- tional magazines, and about half go to the movies fairly regu- larly. Book reading attracts only a minority. Of all the major media, books are the most specialized, the most erudite, the most sophisticated—and the least used. THE USE OF A “TYPICAL” PUBLIC LIBRARY Let us summarize what we know about library use by describing what happens