Start with high-confidence medical & surgical nursing books, then narrow by subgenre or adjacent topics.
Pocket Guide to the Operating Room
Maxine A. Goldman
Davis Advantage for Medical-surgical Nursing
Janice J. Hoffman, Nancy J. Sullivan
Advanced Physiology and Pathophysiology
Linda Herrmann, Nancy C. Tkacs
Fundamentals of Nursing
Carol R. Taylor, Pamela B Lynn
Medical-surgical Nursing Made Incredibly Easy
Lippincott Williams & Wilkins, Keelin Cromar