In 1896 the Great Brain of Adenville, Utah, is almost twelve years old and more mischievous than ever in his practical jokes and schemes against everyone in town.

"In a peaceful Carthya, Jaron leads as the Ascendant King with Imogen beside him -- but the peace he fought so long for is not destined to last. On a routine sea voyage, Jaron's ship is brutally attacked, and he is taken hostage. The mysterious captors and their leader, Jane Strick, accuse Jaron of unthinkable acts. They are also in possession of some shocking items -- including the crown and sword that belonged to Jaron's older brother, Darius --...