Dragon Masters #29: Magic

Zoltan the wizard is now a Wizard Dragon! As a dragon, he plans to free the evil wizard Maldred. Drake and Worm meet Zoltan's son, Wolfgang, who wants to help stop his father! So Drake, Worm, and Wolfgang travel to Barga, where they meet an Earth Dragon named Kinguq and her Dragon Master Nanu. Kinguq and Nanu guard a secret door to the powerful Earthquake Dragon, called the Naga. It is also where Maldred is trapped. Can Drake, Wolfgang, and Nanu stop Zoltan from opening the door? What will happen if Maldred gets released?