The Great Sea Kingdom by Derek Ebersviller
Approx. 87,120 words.
Published on November 9, 2011.
Tuna Macalister has enjoyed her job as a Pondswagger mercenary, but her adventures have only just begun. A mysterious cult has emerged in the human capital of Morrilux, and it is attempting to bring back the great eel king, Erukan. When King Flamel summons Tuna and her friends to eliminate the cult, they quickly find themselves in deep water.