This is a 15-volume set of Speed Learning English language materials. Volumes 1-7 are opened, and volumes 8 and later are unopened. The content covers a wide range of topics, from everyday conversation to cultural differences and business scenarios. Each volume includes two CDs (English only, and English & Japanese, one of each) and a text book. A free trial CD is also included. Overall, the condition is good, but please understand that these are used items. Please review the photos and consider purchasing.