Thank you for viewing. I am selling a 4-DVD set of NIKK Eizo's Basic English Series. ① "Basic English: English Words and Phrases" ② "Basic English: English Words and Phrases" ③ "Basic English: Basic Sentences and English Words" ④ "Basic English: Phonics - Pronunciation Rules" There are scratches on both the cases and the DVD surfaces. I have checked the DVDs and confirmed that all 4 discs can be played without any problems to the end. I would like to sell them as a set, so please refrain from purchasing individual discs. Thank you for your understanding.