Ma, Rujin books & textbook
Neighbours in the Sea (Beginning Science)
Dolphin Book /1994-12-01 Paperback / 18 Pages
isbn-10: 7800518795 / isbn-13: 9787800518799
Chinese Fables & Folktales (I)
Zheng, Ma Ma, Rujin Zhang, Peicheng Liu, She Jiang, Jianzhong
Shanghai Press /2010-10-10 Hardcover / 48 Pages
isbn-10: 1602209626 / isbn-13: 9781602209626
