This reader brings together 35 seminal articles that reflect the museum world's ongoing conversation with itself and the public about what it means to be a museum—one that is relevant and responsive to its constituents and always examining and reexamining its operations, policies, collections, and programs. In conjunction with the editor's introductory material and recommended additional readings these articles will help students grasp the essentials of the dialogue and guide them on where to turn for further details and developments.