Zhang, Phyllis Ni Authors > Phyllis Ni Zhang David and Helen in China: Simplified Character Edition An Intermediate Course in Modern Chinese: With Online Media Phyllis Ni Zhang, Yuan-Yuan Meng, Donald K. Chang, and Irene C. Liu 03/11/1999, Paper $92.00 | ISBN: 9780300226607 David and Helen in China: Traditional Character Edition An Intermediate Course in Modern Chinese: With Online Media Phyllis Ni Zhang, Yuan-Yuan Meng, Donald K. Chang, and Irene C. Liu 03/11/1999, Paper $92.00 | ISBN: 9780300227291