The time has come for Max, Fang, Iggy, Nudge, Gasman, and Angel to face their ultimate enemy and, despite many obstacles, try to save the world from a sinister plan to re-engineer a select population into a scientifically superior master race.

Heartbroken after her best friend and soul mate, Fang, leaves her flock, Maximum Ride begins to believe the evil scientists trying to convince her she needs to save the world, and that Dylan, the newest member of her flock, is her perfect mate.

Artemis Fowl, having reverted to his criminal lifestyle following his last run-in with the fairies, travels to Berlin intending to steal a famous painting from a German bank, not realizing his old rival, Opal Koboi, has been just waiting for a chance to destroy him.

Thirteen-year-old spy in training Ben Ripley is sent to Mexico to try to thwart the evil organization, SPYDER--the CIA's main enemy.

"The Greek and Roman demigods must simultaneously prevent the earth mother, Gaea, from waking and stop war from breaking out at Camp Half-Blood"--Provided by publisher.

Known and feared as the White Wolf, Adelina Amouteru and her sister flee Kenettra to find other Young Elites in the hopes of building her own army of allies. But as Adelina's powers (fed only by fear and hate) start to grow beyond her control, she also distrusts her newfound Elite friends. Teren Santoro, leader of the Inquisition, wants her dead. And her former friends, Raffaele and the Dagger Society, want to stop her thirst for vengeance. Adelina...

She can't believe it's finally happening. Tsunami and her fellow dragonets of destiny are journeying under the water to the great SeaWing Kingdom. Stolen as an egg from the royal hatchery, Tsunami is eager to meet her future subjects and reunite with her mother, Queen Coral. But Tsunami's triumphant return doesn't go quite the way she'd imagined. Queen Coral welcomes her with open wings, but a mysterious assassin has been killing off the queen's heirs...

Magnus and his friends set sail for the farthest borders of Jotunheim and Niflheim in pursuit of Asgard's greatest threat, Loki's demonic ship full of zombies.

Zach, Alice, and Poppy, friends from a Pennsylvania middle school who have long enjoyed acting out imaginary adventures with dolls and action figures, embark on a real-life quest to Ohio to bury a doll made from the ashes of a dead girl.

It's Hiccup's birthday, but that's not going to keep him from getting into trouble. To save his dragon, Toothless, from being banished, Hiccup must sneak into the Meathead Public Library and steal the Viking's most sacred book.