"Fourteen-year-old cousins Gwen and Vic are still celebrating their victory with the merlons and their giant kraken when they learn that Vic's father has finally made it through the crystal doors to the magical island of Elantya."--Dust jacket. The thrilling conclusion to Kevin Anderson and Rebecca Moesta's Crystal Door's trilogy finds cousins Gwen and Vic and their three friends forging the magical Ring of Might and defending all of the worlds beyond...