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