Book excerpt: Advanced Practice Nursing: Essential Knowledge for the Profession, Fifth Edition is a core advanced practice text used in both Master's Level and DNP programs. This bestselling textbook is framed around the AACN's Master's Essentials as well as the Essentials for Doctoral Education featuring the most up-to-date content on each set of Essentials. Throughout the Fifth Edition the authors address the rapid changes in the health care environment with a special focus on health care finance, electronic health records, quality and safety as well as emerging roles for the advanced practice nurse. Patient care in the context of the advanced nursing role is also discussed.