Price is significantly reduced because this is being sold as 4 Audio CD Set. Box was damaged during shipping. All Audio CDs are intact. Instant Immersion Chinese Mandarin 2.0 Discs 5-8: Audio CDs CD 5: Pronunciation - Four TonesCD 6: Common Expressions - Greetings - IntroductionsCD 7: Numbers - Time & DateCD 8: Weather - Hobbies - Jobs