C.H. ยท Charles H.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Forcing Chess Moves: The Key to Better Calculation | 978-90-5691-856-9 (90-5691-856-7) | 2019 |
| Forcing Chess Moves: The Key to Better Calculation | 978-90-5691-243-7 (90-5691-243-7) | 2008 |
| Power Chess for Kids: Learn How to Think Ahead and Become One of the Best Players in Your School | 978-90-5691-330-4 (90-5691-330-1) | 2011 |