Claudia Ross is Professor Emerita of Chinese at the College of the Holy Cross, Massachusetts, USA. Her publications include Modern Mandarin Chinese Grammar: A Practical Guide (2014), co-authored with Jing-heng Sheng Ma; Outline of Chinese Grammar (2004); and Traditional Chinese Tales: A Course in Intermediate Chinese (2001).

Baozhang He is Associate Professor Emeritus of Chinese at the College of the Holy Cross, Massachusetts, USA. His publications include Difficult Grammar Knots Unravelled (2015), co-authored with Nansong Huang and Wenzi Hu and Elementary Chinese (2006), co-authored with Pei-Chia Chen.

Pei-Chia Chen is Lecturer and Academic Coordinator of the Chinese program at UC San Diego, USA. Her publications include Elementary Chinese (2006), co-authored with Baozhang He.

Meng Yeh is Teaching Professor in the Center for Languages and Intercultural Communication at Rice University, USA. Her publications include Chaoyue: Advancing in Chinese (2010) and Communicating in Chinese: An Interactive Approach to Beginning Chinese, Student Lab Workbook (1999).