His next works were duology series Ragnarok 1940 published in 2007 and 2008,[5] historical fantasy trilogy Miecz i kwiaty, published between 2008 and 2010,[6] and Przygody Madsa Voortena, with books Martwe Jezioro in 2011, and Druga Burza in 2012.

The book was well-received and begun a series of books titled Opowieści o wikingu Tappim, and a spin-off series, Tappi i przyjaciele, both featuring Viking Tappi, who, together with his friends, have various adventures.

They were animated by EGoFILM and distributed by Telewizja Polska via TVP VOD.

Mortka[13][14] In 2012, he published horror fiction book Miasteczko Nonstead with Fabryka Słow.

They were: Nie ma tego Złego, Głodna puszcza, Przed wyruszeniem w drogę, Skrzynia pełna dusz, and Koszyczek dla Doli.

[4] He also works as a tour guide and a teacher and English and Norwegian languages.

He owns Szkoła Językowa "Willows" language school in Poznań, Poland.