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"Much has happened since the last edition of this benchmark text was published. Today's LIS professionals are experiencing both excitement and trepidation as sweeping societal, technological, political, and economic changes affect our users and institutions and transform our discipline. We are increasingly part of a sophisticated infrastructure: the boundaries of knowledge creation, acquisition, organization, dissemination, use, and evaluation are rapidly blurring, creating new challenges. Similarly, we are also part of a changing environment: an aging population, a ubiquitous and evolving internet, the proliferation of social media and mobile devices, significant financial stresses on public institutions, and changing information policies affecting creators and distributors of knowledge. The profession demands constant growth, continuous learning, and open minds, and the new edition of Rubin's book offers a firm foundation of knowledge and guidance for LIS students and professionals alike"--Publisher's description.