Open RN - Open Resources for NursingOER nursing textbooks and virtual simulations are collaboratively developed by faculty based on the WTCS State Nursing curriculum and the current NCLEX-RN Test Plan. Textbooks undergo national peer review by faculty, deans, industry members, and nursing students to ensure the content is accurate and relevant, written in clear language for pre-licensure nursing students, and based on current, evidence-based practices. All Open RN materials have CC-BY 4.0 Creative Commons licensing.