Anime News Network is reporting that at a talk with Mamoru Oshii at the Tokyo International Film Festival, Toshio Suzuki of Studio Ghibli announced that details of their next movie will be revealed on December 13th.

No more details were provided, but it is rumored that the next movie will be based on a novel.

Recently Studio Ghibli has adapated the Dianne Wynn Jones novel Howl's Moving Castle to much acclaim.

What will this new movie be an adaptation of? Prepare to find out on December 13th!