In Aagaesia, a fifteen-year-old boy of unknown lineage called Eragon finds a mysterious stone that weaves his life into an intricate tapestry of destiny, magic, and power, peopled with dragons, elves, and monsters.

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.

"Twenty-year-old Violet Sorrengail was supposed to enter the Scribe Quadrant, living a quiet life among books and history. Now, the commanding general--also known as her tough-as-talons mother--has ordered Violet to join the hundreds of candidates striving to become the elite of Navarre: dragon riders. But when you're smaller than everyone else and your body is brittle, death is only a heartbeat away ... because dragons don't bond to "fragile" humans....

Tired of his boring life, Lord Jaxom decides to secretly train his extraordinary dragon to take part in the desperate battles of dragons and their riders against the Threadfall that periodically threatens their planet.

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.

While the deadly Thread continues to fall, F'lar must combat internal conflicts among the dragonriders.

Lalo the baby lightning dragon has been taken by Eko, a rogue Dragon Master, who ran away with her thunder dragon years before--now she is back looking to make allies of the other dragon masters, and so gain control over all of the dragons in Griffith.

To prevent the Shadow Dragon from plunging the world into sky-shadow the Drake and Darma seek out a Light Dragon named Lysa, but they learn from her dragon master they need to summon a Star Dragon with a star flute, hidden within a dangerous labyrinth.

"Nory Horace can turn herself into a kitten. But sometimes she adds in a bit of dragon and, well, accidentally turns into a dritten. Oops? Her friend Andres Padillo can fly high ... but then he can't fly back down again. Nory and Andres are in an Upside-Down Magic class with other kids who have unusual magic. Now they're off on their first-ever overnight field trip! At Dragon Haven, Nory, Andres, and their UDM classmates get to swim with dragons,...

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.