anime.in4mation

The Twelve Kingdoms #3

十二国記 - Juuni Kokuki - Juuni Kokki - 12 Kokuki - The Twelve Countries - Twelve Kingdoms

No more school uniforms Youko, Yuka, Asano & guide

12kokuki Official website (Japanese).
www.12kingdoms.us Useful site, top of Google search.
Animetique Synopses & other resources.
animeondvd review - a review
Novels - information on the original novels.
World Decay - includes various JK info and more links.

Or there's always Google.