Start with high-confidence nursing reference books, then narrow by subgenre or adjacent topics.
Burns' Pediatric Primary Care, 8e
Dawn Lee Garzon PhD CPNP-PC PMHS FAANP FAAN, Mary Dirks DNP RN ARNP CPNP-PC FAANP
Davis's Drug Guide for Nurses
April Hazard Vallerand, Cynthia A. Sanoski