Introduction -- Related literature -- Assessment and evaluation -- The library perspective -- The customer perspective -- The institutional perspective-- The stakeholder perspective -- Benchmarking and best practices -- Metrics for marketing and public relations -- Management information systems -- Utilizing metrics: interpretation, synthesis, and presentation -- The joys of metrics -- Appendices : A. Inputs: library perspective (reported as numbers) -- B. Inputs: library perspective (reported as ratios/percentages) -- C. Outputs: library perspective (reported as numbers) -- D. Outputs: library perspective (reported as ratios/percentages) -- E. Selected examples of process metrics -- F. Selected examples of trend metrics -- G. Examples of qualitative metrics -- H. Customer perspective -- I. Institutional perspective -- J. Stakeholder perspectives (examples) -- K. Selected metrics used by libraries for benchmarking and best practices -- L. Marketing and public relations -- M. Selected metrics from library reports -- N. Some metrics related to scholarly communication -- O. COUNTER Code of Practice, release 3 (August 2008)