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Hardy Boys and Tom Swift Ultra Thriller Series
Book 1 Summary: When an attack force of techno-thugs under the command of the evil genius, the Black Dragon, seizes control of a top-secret time-warp trigger, Frank and Joe Hardy team up with Tom Swift to halt the destruction.
Hardy Boys and Tom Swift Ultra Thriller Series Book List:
This series can be read in any order.
Book Sets: Sets of Up to 2 Books
Page Last Updated: November 13, 2017