Karel Osoha Prašina Prašina is a mysterious place: a dark island in the middle of glowing Prague. An extraordinarily exciting story familiar to Jaroslav Foglar's style. Prašina 2: Čierny merkurit Prasina 3. White Chamber Prašina: Chalk Figure Prašina is back! Changed, with new heroes and in the comics, but it is still it. Seven separate comic books are published as a collective book edition in Slovak.