Complete 5-volume set of Master Key to the GRE by Sherpa Prep, covering Arithmetic & “Plan B” Strategies, Number Properties & Algebra, Word Problems, Statistics & Data Interpretation, and Geometry. 2018 editions. Books are in solid used condition with general wear from use. Some edge wear, light bending/warping to covers, and minor page edge marks as shown. No major damage, no missing pages. Great full math prep set for GRE study with all volumes included—ready to use. SKU G-8