All 10 Level 4 Bring the Classics to Life Audio-Book Compact Discs. These 10 chapter classic CDs introduce great literature while improving listening skills. Expertly paced narration and exciting sound effects keep interest high. Story length and vocabulary increase slightly with each level. Audio-Book CD: Includes a word-for-word reading directly from the chapter pages in EDCON's Classic workbook series. Audio-Books and workbooks can be used together or independently of each other. Listeners will embrace a sense of adventure, discovery and excitement as only the classics can provide.