"Master Thief Fin from the Khaznot Quay and suburban schoolgirl Marrill from Arizona reunite on the magical waters of the Pirate Stream to seek a mysterious and legendary wish machine"--
Twelve-year-old Fin, a master thief from the pirate world of Khaznot Quay, and Marrill, also twelve, of Arizona, cross paths in the magical world of the Pirate Stream while on a quest for a mysterious map.
"Marrill and Fin continue their adventures as they race to stop the destruction of the Pirate Stream by a frightening ancient power whose coming was prophesized in The Map to Everywhere"--
"Fin and Marrill's final adventure takes them to the Mirrorweb, the heart of the Pirate Stream, where they must confront an old friend who has become their worst enemy"--