The required textbook and materials for this course are:

• Integrated Chinese, 4th edition, Cheng&Tsui, Volume 1 Web App, Essential Edition (6-months): 9781622911721 ($65.99) This is the 6-month subscription for the Essential Web App. this will only include the digital Web App ( no print products), but it will include the digital textbook, workbook (with auto-grading), downloadable character workbook, streaming audio and video, and additional digital interactive exercises.

Or

• Integrated Chinese, 4th edition, Cheng&Tsui, Volume 1 Web App, Essential Edition (1-year): 9781622911479 ($115.99)" This is the 1-year subscription for the Essential Web App. this will only include the digital Web App ( no print products), but it will include the digital textbook, workbook (with auto-grading), downloadable character workbook, streaming audio and video, and additional digital interactive exercises.

Here are the direct links to order your textbook from the publisher:

• Volume 1, Essential Edition (6-months): https://www.cheng-tsui.com/browse/integrated-chinese-4th-edition/integrated-chinese-4e-vol-1-chengtsui-web-app?id=21222 (ISBN: 9781622911721)
• Volume 1, Essential Edition (1-year): https://www.cheng-tsui.com/browse/integrated-chinese-4th-edition/integrated-chinese-4e-vol-1-chengtsui-web-app?id=21240 (ISBN: 9781622911479)

You can also purchase the paperback of the textbook and the workbook since you will have no access to the digital textbook after you 6-month or 12-month subscription has ended.

• Integrated Chinese, 4th edition, Cheng&Tsui, Volume 1 textbook, paperback, Simplified: 9781622911356 ($59.99) This is the paperback Simplified print textbook.