books by author
Manhattan GMAT Prep
Quantitative Comparisons & Data Interpretation GRE Preparation Guide, 1st Ed (Manhattan GRE Preparation Guide: Quantitative Comparisons & Data Interpretation)
Asa: Antonyms, Sentence Completions, Analogies GRE Preparation Guide, 1st Ed (Manhattan GRE Preparation Guide: ASA (Antonyms, Sentence Completions, ... Guide: Text Completion & Sentence Equivale)
