When Eva Wingdale sees something large and white flying above her she is convinced that it is a ghost, although most of the other owls just laugh at her--until something large and heavy and white lands on the school roof.

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.

Eva's teacher, Miss Featherbottom, is getting married, but when her special necklace disappears, Eva and her friends set out to track down the thief and return the necklace before the wedding.

Macy's little sister has wings that are too small, so Eva's class decides to raise money to buy her a flying chair, and half the class opens a bakery, and the other half opens a candy store--but soon competition between the two stores becomes more important than their goal, and Eva needs to convince the other owls that they will collect more money if everyone works as a team.

"In another installment of The Magic School Bus Rides Again Branches series, Keesha will do whatever it takes to nail her space camp application. In her efforts to get the perfect picture on the class outer space field trip, she accidentally disrupts satellites in orbit!"--

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.

Not all of the wizards who were freed from Maldred's time-trap were good wizards; one of them, Astrid, is planning on working a spell that will bring to life the bones that lie scattered in the Fortress of the Stone Dragon, bones that belonged to creatures much bigger than dragons--and when his friends are turned to stone it is up to Drake to find a way to save them, including his own dragon, Worm.

Merbaby Flo was born with only one fin, unable to swim--so Bo and the other unicorns set out for the Shiny Sea to find the Golden Fish and ask Goldie to use his magic to help baby Flo.

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...

Unicorn Bo and friends attend the Big Festival of Magic hoping to show off their magical skills, but when all the magic goes missing they must find a way to find and return the magic.