This textbook is the one I kept after the course ended for reference.
Product Tag: 0323595316
PASS CCRN!, 5th Edition Dennison DNP, APRN, CCNS, CEN, CNE w/Code!
A nice touch in this textbook is the conversion chart for units of measurement.
Pass CCRN! by Dennison
A nice touch in this textbook is the timeline of major discoveries in the field.