GameCube Europe is reporting that Namco has announced that it is working on a sequel to the card-action RPG Baten Kaitos: Eternal Wings and the Lost Ocean, to be released on Gamecube in Japan in December.
The subtitle of the game translates to "Wings of the Beginning and Heir to the Gods". The game is separate from the Baten Kaitos title recently reconfirmed for Nintendo DS. Namco has not yet announced plans for localization or release of this title outside Japan.
Source: Baten Kaitos II Headed To Cube (GameCube Europe)