This book is designed to help you learn the most important and frequent vocabulary that you will need for reading academic textbooks in English and for passing the TOEFL test. The typical international student taking college-level courses in English probably only knows about 80% to 85% of the words used most frequently in academic texts (between 2,000 and 3,000 different words).This book can help you increase your word knowledge so that you can possibly know 90% to 95% of the words in academic texts. There are hundreds of exercises, an answer key, and a complete dictionary of all the words. When you learn these words, you will be able to read English faster and understand everything much better.