| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2004 | 978-0-9761183-0-5 | Don Zhao | Interactive Workbook for College Algebra with Trigonometry |
| 2006 | 978-0-9761183-1-2 | Cheng Zhao · Don Zhao | Tai Chi for Health: The 24 Simplified Forms |
| '' | 978-0-9761183-2-9 | Guangqi Li · Cheng Zhao | Tai Chi Sword: The 32 Simplified Forms |