: TED Talks Perspectives 3 Student's Book
: World Link 1 Student's Book with Online Practice and Student's eBook (Korea Only)(4th Edition)
: World Link 2 Student's Book with Online Practice and Student's eBook (Korea Only)(4th Edition)
: World Link 3 Student's Book with Online Practice and Student's eBook (Korea Only)(4th Edition)
: Great Writing 2 Great Paragraphs Student's Book with Access Code for Online Workbook (5th Edition)