STTI Books

Books by Sigma

Sigma publishes a variety of career, scholarly, and inspirational books written by nurses for nurses. Four Sigma books were recipients of the 2023 AJN Book of the Year awards. Sigma books are available for purchase from Sigma Marketplace and at bookstores everywhere.


Sigma's journals page on laptop screen

Journal of Nursing Scholarship

Sigma's scholarly research journal is one of the most widely read and respected healthcare journals internationally. In 2022, Journal of Nursing Scholarship's Impact Factor was 3.4, ranking it thirteenth among nursing journals. Free access is available for all Sigma members via this website.

Worldviews on Evidence-Based Nursing

Worldviews is a peer-reviewed, evidence-based nursing journal and primary source of information to improve patient care. In 2022, its Impact Factor was 4.3, ranking it fifth among nursing journals. Free access is available for all Sigma members via this website.

Resource Center


Nursing Centered

Reflections on Nursing Leadership is now Nursing Centered! Meet your new online resource center, home to Sigma articles, member stories, videos, webinars, and A Nurse First podcast episodes.