| SCANNEN | Michael Gradias | Easy Computing Publishing Nv |
| Scannen | Michael Gradias | Easy Computing |
| Frontpage 2002 | Michael Gradias | Data Becker |
| HET PHOTODRAW 2000 BOEK | Michael Gradias | Easy Computing Publishing Nv |
| SNELGIDS PHOTODRAW 2000 | Michael Gradias | Easy Computing Publishing Nv |
| SNELGIDS FRONTPAGE 2000 | Michael Gradias | Easy Computing Publishing Nv |
| SNELGIDS SCANNEN | Michael Gradias | Easy Computing Publishing Nv |
| Het Boek Scannen | Michael Gradias | Easy Computing |
| Snelgids photoshop 5.0 | Michael Gradias |
