<DIV>Data use in the library has specific characteristics and common problems. Thisbook addresses these challenges and provides methods and applications to clean up frequently occurring data problems The authors highlight the importance and methods of data analysis and presentation, offering guidelines and recommendations for a data quality policy as well as step-by-step directions for common data issues. Librarians who capture and process data about library resources and services, and library school students interested in the data end of libraries will find this information useful and necessary.</div>