When the king decides to take the dragons to Arkwood to visit Queen Rose, Rori, Drake, and their dragons are left behind--so when the evil wizard Maldred attacks the castle riding a giant four-headed dragon that spits poison, the two young dragon masters and their dragons are forced to defend the castle by themselves.

"Congratulations! You have been chosen by the Dragon Stone! Here is your official Dragon Master guide. Inside you will find facts about the Dragon Masters and their powerful dragons, review secret notes from me and other wizards, study world maps, learn the history of the Dragon Masters, and more! - Griffith of the Green Fields, Royal Wizard to King Roland of Bracken." --

Petra, the newest dragon master, is scared to death of the Hydra dragon she is supposed to bond with--but when the Hydra accidentally poisons the King, and then her fellow dragon master, Drake, she must find a way to connect with her dragon, because only the Hydra's song can cure them.

Drake has a dream about a new dragon that is somehow trapped in a cave, so Drake, Ana and their two dragons set off to find the Rainbow Dragon's dragon master, Obi, and together they must rescue Rainbow dragon, Dayo, from Kwaku, a giant spider, who spins a deadly web.

A nest of invisible baby dragons has been discovered in Queen Sofia's castle so Drake, Worm, and Val, Carlos's cousin, must journey to the dangerous Dove Island to find the parents and the fruit that keeps the dragons' invisible powers.

Drake and the other Dragon Masters help Wildroot, a Flower Dragon whose home is in danger, find his Dragon Master Oskar after Oskar's identity is revealed to them by the Dragon Stone.

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'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 is 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...

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 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.