Marcin Kowalczyk has written at least 3 books. Their most popular book is Pętle pamięci with 1 save with an average rating of 3⭐.
Series
1 primary bookAuthored 50% of series
Ku gwiazdom is a 1-book series first released in 2021 with contributions by Bartek Biedrzycki, Grzegorz Brona, and 26 others.