Official IELTS 20 Books include audio that can be listened to on your device. **Shipping:** If ordered before 12:00 PM, it will be shipped the same day. **Packaging:** This product will be delivered in its original packaging. **Dimensions:** 16.6 cm x 23.4 cm Authentic IELTS 20 Books feature color-coded pages that highlight important exam points. These vibrant pages help you quickly grasp key information, significantly improving your exam preparation and score. **Note:** We do not recommend black and white copy versions with Chinese characters printed on them. Please be sure to purchase the official color edition books. You can achieve a higher score by studying with accurate content.