ou already have the book and want to obtain the corresponding records as mp3 CD. This box contains recordings in MP3 format corresponding to the book "AMERICAN ENGLISH", "Amerikanisch OHNE Mühe", "EL INGLES AMERICANO SIN ESFUERZO" and "Amerikaans Engels." The records show the entirety of American texts lessons and book translation exercises. They are interpreted, at a gradual pace, by professional native speakers. The MP3 CD to load all or part of the records of the method on your MP3 player. You can listen to the lessons and exercises continuously or sentence by sentence. The MP3 CD contains studio quality recordings and many sound files and text of American phrases in the book. If your player supports this feature, the texts are displayed simultaneously listening.