Korean Language Student Book and Workbook 1A & 1B Set

This is a set (4) of Korean language learning books which includes Student's Book 1A, Workbook 1A, Student’s Book 1B and Workbook 1B. They're designed for English speakers learning Korean. The set includes a total of 4 CDs (1 CD in each of the language books). Reason for selling, finished using these books, so no longer need - would like to pass on to someone keen on learning Korean. Please buy the entire set. Note: some written answers in 1A Workbook.