Hein, Piet,
Hein, Piet,'s most popular book is Grooks 1 with 1 save and an average rating of 2.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
1 primary bookAuthored 100% of series
Grooks
Grooks is a 1-book series first released in 1966 with contributions by Hein, Piet,.
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