Millions of people have improved their academic performance, job skills, and self-esteem, just by spending fifteen minutes a day completing the simple exercises and self-tests within this bestselling guide. You will learn, step-by-step, how to increase your language power with word roots, find persuasive words to sell your ideas, and learn new words daily with a full pronunciation key. Whether you’re a student or simply wanting to expand your vocabulary, you can enjoy a more intimate comprehension of the English language in just one month!