The evil wizard Maldred has been turned into one hundred mini-Maldreds! Dragon Masters around the world are battling them, and it's up to Drake, Worm, and their friends to stop Maldred once and for all. Drake, Rori, Bo, Ana, and their dragons travel to Goryeo to meet the Chaos Dragon Seong-Min and her Dragon Master Ji-Min. Seong-Min is the only dragon powerful enough to stop the chaos the Maldreds are causing! But Ji-Min warns that the Chaos Dragon is very difficult to control, even for her. Will Drake and his friends convince Ji-Min to help them defeat the Maldreds?

In the first book in this series, eight-year-old Drake is snatched up by King Roland's soldier and taken to the castle. He is to be trained as a Dragon Master. At the castle, he is joined by three other young Dragon Masters-in-training: Ana, Rori, and Bo. The Dragon Masters must learn how to connect with and train their dragons - and they must also uncover their dragons' special powers.

Ash is returning to the Magic Forest, with her friends Maya and Eloise. There, they are able to turn into amazing Fire Dragons and use their special powers to protect the creatures there. The Chaos Queen is still determined to take over the forest, no matter the cost. Ash must harness all her bravery to lead a quest into the Fire Realm. If she and her friends don't work quickly, the realm will cool completely—and be lost forever!

Azmina, Willa, and Naomi are thrilled to learn they're Glitter Dragon Girls. Summoned to the Magic Forest by its magnificent ruler, the Tree Queen, the girls quickly find out their dragon-selves have unbelievable abilities. They can soar above the treetops, breathe glitter-y bursts of fire, and roar loud enough to shake the ground. With this newfound magic comes a big responsibility, however.

Lucas and Clara search for Queen Tasha's missing emerald. On their exciting adventure, they travel to all the main attractions of Wrenly: Primlox (the island of fairies), Burth (the island of trolls), Crestwood (the island of dragons), Hobsgrove (the island of wizards), and the beautiful Mermaid's Cove. King Caleb has promised to reward the person who finds the precious stone, and Lucas and Clara are determined to search the entire kingdom until they find it!