9"GMAT Official Vocabulary 2020-2021: All Words You Should Know for GMAT Writing/Essay/AWA Part. GMAT Study Guide 2020". This book contains all the most important words that you need to know to successfully complete writing/essay part of GMAT test.This material is perfect for any serious candidate who does not wish to waste time researching and learning new vocabulary the traditional way. This book will make your learning more efficient with less of your own effort, which means more spare time to review other concepts.This is not just a regular dictionary with a bunch of words. In this little vocabulary you can find only the most necessary GMAT definitions. Knowing these words will definitely surprise your examiner, in a good way.