1. First, click Learning Power in the mobile phone to enter the main interface of Learning Power, as shown in the figure below.

2. Click My in the upper right corner to enter my interface.

3. Then in the open page, find the Power Mall to enter, as shown in the figure below.

4. In the open mall interface, select book coupons to enter, as shown in the figure below.

5. Select a book here and click Enter. Click the redemption below, and the redemption will be displayed in this issue.