What edition is the English book with Mao Mao and Yang Yang?

Beijing edition, I use it! There are six China people, Mao Mao, Yang Yang, Baobao, Lingling and Miss Wang, two foreigners, Mike and Sarah, and two pets, Lala and Kate. Two foreigners transferred to their classes in Mao Mao in the third grade. In the fourth grade, students except pets and teachers grew up and changed a little (because of adolescence). Foreigners didn't change much, as if only clothes had changed. ...