This document is a ranking of 61 journals in the field of library and information science based on their 2008 Journal Impact Factor. The top ranked journal is MIS Quarterly with an impact factor of 5.183. Several other highly ranked journals include Journal of the American Medical Informatics Association and Annual Review of Information Science. The document provides the total cites, 5-year impact factor, immediacy index, cited half-life and other metrics for each of the 61 ranked journals.