In a bit of an unexpected announcement, Studio Ghibli has revealed its first-ever television series, an adaptation of Astrid Lindgren’s children’s fantasy novel, Ronja the Robber’s Daughter. The series will follow the adventures of Ronja, the daughter of a robber chieftain, as she meets the denizens of the dark pine forest in which she lives. The series will premiere in Japan on August 31st and will be directed by Goro Miyazaki (From up on Poppy Hill).

Hit the jump for more.

News of Studio Ghibli’s foray into television comes via a Facebook fan page, along with the series’ first image (via NHK):