X Y · Xiao Sheng · xiao yu · Y. Sheng
| title | ISBN-13 | year of publication |
|---|---|---|
| A large arena of scientific knowledge | 978-7-80620-705-5 | 2010 |
| Knowledge Knowledge of life ring big happy ring | 978-7-80620-309-5 | 2000 |
| Knowledge of human knowledge and happiness big ring big ring | 978-7-80620-310-1 | 2000 |
| Large ring military knowledge | 978-7-80620-704-8 | 2010 |
| large ring of natural knowledge | 978-7-80620-308-8 | 2008 |
| Large ring of plant knowledge | 978-7-80620-702-4 | 2010 |