The second edition of the Medical Library Association Guide to Managing Health Care Libraries comes ten years after the publication of the first edition, a time in which much has changed in health care librarianship. The authors clearly state in the text how the current edition differs from the previous edition. The new edition contains expanded information about new roles in health care libraries, including chapters on information practice and knowledge services. The new edition has been thoughtfully updated to reflect the changes in the profession since the previous edition. The authors outline some significant changes in the profession, and thus the text includes health literacy, quality and patient safety, evidence-based health care and comparative effectiveness research, translational research, and technology. The book is well organized and very user friendly. The information is timely and relevant to anyone working in a health care library setting.