The Twelve Kingdoms (Japanese: 十二国記, Hepburn: Jūni Kokuki, also known as "Record of 12 Countries" or "Jūni Kokki") is a series of fantasy novels written by Japanese author Fuyumi Ono and illustrated by Akihiro Yamada. The first entry in the series called The Twelve Kingdoms: Sea of Shadow was published by Kodansha in Japan in 1992; the last Kodansha volume was released in 2001. In 2012, the series was resumed under the Shinchō Bunko line from Shinchosha. Shinchosha has also begun reprinting the older volumes with new cover and interior art from Akihiro Yamada. The first new publication of the series in six years was released in 2019.An English-language translation was produced and distributed by Tokyopop. The first four volumes were released between March 2007 and November 2010, before the license reverted back to Kodansha. It was adapted into an anime television series by Pierrot in 2002, which aired on Japan's NHK from April 2002 to August 2003. The series was licensed and distributed by Media Blasters in the United States at the time of its initial Japanese broadcast. As of 2019, Discotek Media held the license to the series. Source: Wikipedia (en)