To date, only two of the books have been translated into another language; both in German but published in Switzerland. After his death, an unfinished novel was finished and published by journalist Pieter Terpstra, who continued to churn out Havank titles under the name Havank-Terpstra.
To date, only two of the books have been translated into another language; both in German but published in Switzerland. Following his passing, a partially written novel was completed and published by journalist Pieter Terpstra, who continued to publish Havank titles under the name Havank-Terpstra.