105 lessons 612 pp download code.While British English and American English have similarities, these two sister languages have many differences, especially in pronunciation and lexicon. If you are planning a trip to the United States or need to work in American, British English will not be enough. If you follow us carefully - and regularly - you will learn in a few months the vocabulary of the current language, as well as the fundamental rules of grammar. You'll quickly become familiar with American English, thanks to the hundreds of real-life dialogues we present in this boxed set, with audio for download. The recordings include all of the American texts from the lessons and translation exercises in the book. They are interpreted at a progressive pace by professional native speakers.