In the recent issue of Japan’s Cut magazine Monogatari writer Nisio Isin confirmed in the magazine that an anime adaptation of Tsukimonogatari is currently in production. No further information about the upcoming anime adaptation has been revealed.
Tsukimonogatari is the tenth part of the Monogatari series. It is the thirteenth book overall, and contains the story Yotsugi Doll. It is the first book in the final season of the series.