The Fortress of the Treasure QueenUnknown - 2004
Eric and his friends have to stop Ko from using a lightning-powered submarine found in the fortress of the Treasure Queen to destroy Jaffa City, but they can't do it without the help of their old enemy, Lord Sparr.
Publisher: New York : Scholastic, c2004.
Characteristics: 115 p. : ill. ; 20 cm.
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