Adam Wieczorek is the editor-in-chief of the Polish edition Call of Cthulhu game. He’s got 27 years of experience in roleplaying games, including 25 years running Call of Cthulhu. In that time he has written dozens of adventures and guidebooks for this system. He is the author or co-author of several Polish scenarios published for the current edition of the game (In the Shadow of the Lights, In Cold Blood, Indian Summer, The Secret of the Black Sarcophagus, Upside Down and The Crawling Counterrevolution).