Title rated 4 out of 5 stars, based on 23 ratings(23 ratings)
Book, 2010
Current format, Book, 2010, 1st ed, No Longer Available.
Book, 2010
Current format, Book, 2010, 1st ed, No Longer Available. Offered in 0 more formats
As the four friends known as the Grey Griffins begin school at Iron Bridge Academy, where children with special powers like theirs are trained to fight evil beings, rumors surface that a mad scientist known as the Clockwork King is back, and the Griffins must defeat his robotic war machines before total devastation is unleashed upon the world.
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