books by author
GMAC (Graduate Management Admission Council)
The Official Guide for GMAT Review 2017 with Online Question Bank and Exclusive Video
The Official Guide for GMAT Quantitative Review 2017 with Online Question Bank and Exclusive Video
The Official Guide for GMAT Verbal Review 2016 with Online Question Bank and Exclusive Video
The Official Guide for GMAT Quantitative Review 2016 with Online Question Bank and Exclusive Video
GMAT Official Guide Quantitative Review 2019: Book + Online
GMAT Official Guide Verbal Review 2019: Book + Online
GMAT Official Guide 2019: Book + Online
