The Dragon Masters discover that a Shadow Dragon named Chaya and his Dragon Master Aruna are responsible for a huge shadow stretching across the sky, but how do they have so much power and why are other wizards around the world losing theirs?

When Drake discovers that his friend and fellow Dragon Master, Bo, is trying to steal the Dragon Stone, he wonders if the dark wizard might be behind it, and he must try to find a way to protect the stone while keeping Bo's family out of danger.

The Dragon Masters are still reeling from the desertion of Rori and her fire dragon Vulcan, when Mina, a Dragon Master from the far north, arrives with a problem--King Lars needs a fire dragon to defeat the Ice Giant who has frozen his kingdom; and so the Dragon Masters set out to find Rori and convince her to help.

The evil wizard Maldred has stolen the gold and silver keys which will allow him to release the Naga, the powerful earthquake dragon at the center of the earth--so Drake and several of the other Dragon Masters travel to the Naga's Temple in the Dragon Islands, to try and stop Maldred, and prevent him and the earthquake dragon from destroying the kingdom.

"The Dragon Masters have defeated the evil wizard Maldred, but not before the Kingdom of Bracken was devastated by Naga, the earthquake dragon; now Drake and his dragon, Worm, must appeal to the spring dragon, Fallyn, who is their only hope of restoring Bracken before its people starve--but Fallyn lives deep inside a secret fairy world, and Drake must pass a series of tricky tests before he can even make his appeal."--Publisher's description.

Diego is under the spell of the wizard Maldred who wants to control the Naga, an enormous dragon that lives deep within the Earth, and plans to use Diego to steal the two keys necessary for that purpose; the first key is guarded by Argent, the silver dragon, and Jean his dragon master, so Drake, Bo, Carlos, and their dragons travel to Gallia to try and stop the theft and break the spell on Diego.

"The city of Remus is being torn apart by a duel between two wizards, and Drake, Petra, and Griffith have traveled there to assist a blind dragon master, Tessa, in sorting out the situation; using the sound dragon's unique power to manipulate sound waves, the dragon masters retrieve the Power Crystal which is embedded inside an unbreakable rock, but will it be able to absorb the cloud of uncontrolled magic that is threatening the city before it is...

The prime Dragon Stone seems to be dying, and that means that the connection between the dragon masters and their dragons is also fading, so the six dragon masters must located the hidden stone, and learn what is causing the problem before their telepathic connection is completely gone.

Drake and the other Dragon Masters go to the island of Kapua seeking a Sea Dragon needed to help stop the evil wizard Astrid's dangerous False Life spell.

Drake's friends Mina and Caspar, their dragons, and Worm were trapped in stone by the evil wizard Astrid who has stolen their dragons' powers, but Drake himself was saved from a similar fate by Astrid's sister Hulda. Now because of his strong connection with Worm, Drake's able to help his dragon to break free, but to free the others they need the assistance of three other dragons--a lava dragon, a sea dragon, and a wind dragon--and they have to do...