| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Captain Cobwebb and the Quogs | 978-0-354-08036-1 (0-354-08036-9) | 1978 |
| Kapitein Spinrag en de Kattekwaad-man | 978-90-274-4241-3 (90-274-4241-X) | 1978 |
| Kapitein Spinrag en de Kwoks | 978-90-274-4245-1 (90-274-4245-2) | 1979 |