Nishio Isin’s light novel ｢Nisemonogatari｣ will be receiving a TV anime adaptation. It will be a collaboration between Kodansha, Aniplex, and anime studio SHAFT. The announcement was made during the NisiOisin Anime Project live stream event on NicoNico Douga. It is slated to air in January 2012.
A trailer for the new upcoming project can be found below — as well as on the official website.
You can find some chapters from the first volume translated here.