A textbook and workbook set for English learning, with a CD for practical study. - Title: Let's Go 4th Edition Student Book - Title: Let's Go 4th Edition Workbook - Publisher: Oxford - Grade Level: 1st Grade - Features: With CD - Language: English - Learning Content: English conversation, reading, writing - Format: Textbook and workbook set Thank you for viewing. The textbook is in full color and easy to read, and the CD is unopened.