TY - BOOK AU - Ma,Cuiluo AU - Luo,Laida TI - Xiao he jie jie sheng bing le T2 - You er quan neng fa zhan hui ben xi lie. Huan bao, qu tong hua SN - 9620849132 PY - 2009/// CY - Xianggang PB - Xin ya wen hua shi ye you xian gong si KW - Environmental protection KW - Juvenile fiction KW - Water KW - Pollution KW - Chinese language materials N1 - "Fu Yue, Pu, Ying liang wen san yu CD"--Cover; "Ai hu shui zi yuan."--Cover N2 - The little bear brothers like to play along the river by their house. But one day, the river looks sick. Why is it sick? Includes facts and activities ER -