Viktor Grotowicz
Viktor Grotowicz has written at least 2 books. Their most popular book is Koniec samotności with 1 save with an average rating of -⭐.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
3 primary booksAuthored 0% of series
Paul Herzfeld
Paul Herzfeld is a 3-book series with 3 released primary works first released in 2012 with contributions by Michael Tsokos and Sebastian Fitzek.
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