ALL 4 Books Packed Into One Book = NCLEX Takeover Book 1: Lab Values: 137 Values You Must Know to Easily Pass the NCLEX Book 2.: NCLEX: Lab Values: 105 Nursing Practice Questions to Easily Crush the NCLEX Book 3: Fluid and Electrolytes: 24 Hours or Less to Absolutely Crush the NCLEX Book 4: NCLEX: Fluids, Electrolytes & Acid Base Disorders: 105 Nursing Practice Questions and Rationales