This series of books focuses on rapid progress in learning English. Becoming fluent and having a good working knowledge of the language is most likely your goal and you will need systems to achieve this goal. These books contain systematically organised vocabulary to assist you. So how many words do you really need to know to get by in English? Certainly not all the 171,000 words currently in use that you might find in a dictionary. Years of study using conventional methods commonly results in a vocabulary of around 2,000 words. Let's power through this learning stage by focusing on the most frequently used words in English!
