Forum Felix, Net i Nika is the official fan club for the beloved book series by Rafał Kosik, dedicated to enhancing the reader experience for fans of Felix, Net, and Nika. Established by two brothers passionate about the series, the fan club has become a vibrant community where enthusiasts can engage in discussions, share insights, and connect with fellow readers. The forum includes features such as a fan magazine, radio and television segments, a series map, and links to blogs and official announcements from Kosik himself.

In addition to fostering discussions, Forum FNiN keeps fans updated on new releases and upcoming adaptations, like the highly anticipated adult book "Różaniec." The recent shift to a Facebook group emphasizes the community's adaptability as fan interaction increasingly moves to social media. As a platform for exploring the intricacies of the FNiN universe, it encourages new readers while celebrating the enduring legacy of the series, which now boasts multiple volumes and is included in educational curricula.