Test Preparation 500 ESSENTIAL VOCABULARY WORDS TO HELP YOU BOOST YOUR TOEFL SCORE!Words, parts of speech, and pronunciations on the front. Definitions, contextual sentence, and synonyms on the back, so you can really understand and remember each word. Color-coded scale under the cover so you can easily track your progress. Includes 50 customizable cards for you to fill in the terms you most need to study.