C. W. · Cor van Wijgerden Rob Brunia · Cor van Wijgerden und Rob Brunia
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Learning Chess - Workbook Step 1 | 978-90-77275-13-9 | 2009 | Rob Brunia |
| Learning Chess - Workbook Step 4 Extra | 978-94-91582-00-4 | 2013 | |
| Learning Chess - Workbook Step 4 Mix | 978-94-91582-18-9 | 2016 | |
| Schach lernen - Stufe 5 extra Schülerheft | 978-90-77275-59-7 | 2005 | |
| Schach lernen - Stufe 5 plus Schülerheft | 978-90-77275-67-2 | 2007 | |