For beginners and advanced who want to improve their pronunciation highly recommended. Ideally suited to be English to improve autodidactic. Contains to successfully learn in everyday life, the right dose. Construction seems logical and practical. Makes a scientifically sound impression. You can learn the vocabulary auzusprechen sure and you feel so fitted quickly. Use the English both in the workplace and leisure. Have Building Course 1-3 used. Very pleasant and remarkably fast service, if you take has a question!