This is a listening CD. Unopened and unused. For those who understand that this is a used item and has been stored at home. ★ I also have other listening CDs and reference books for sale at low prices. If you would like to purchase multiple items, please let me know. Depending on the shipping size, I may be able to offer a discount on shipping costs (*´꒳`*) Solidifying the basics of listening Lesson 1-18 Pronunciation, Drill, Dictation, Comprehension, Exercise Lesson 19 Comprehensive Problems