Edited and introduced by Jane Gottlieb, the book contains articles by Peggy Daub ("The RLG Conspectus: Its History and Applications"), Elizabeth Davis ("Guidelines of Evaluating Music Collections as Part of a Regional Assessment Plan"), Sherry Vellucci ("Technology for Collection Evaluation: Amigos and Other Tools"), and Lenore Coral ("Evaluating the Conspectus Approach: Problems and Alternatives"). An extensive bibliography is included. Understanding and utilization of the methodologies available to evaluate music collections will better insure that libraries fulfill their mission of meeting users' needs.