Janusz Szostak
Janusz Szostak has written at least 2 books. Their most popular book is Co się stało z Iwoną Wieczorek? with 2 saves with an average rating of -⭐.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
1 released bookAuthored 100% of series
Śledztwa Szostaka
Śledztwa Szostaka is a 1-book series first released in 2018 with contributions by Janusz Szostak.
