Leaving in its wake desolate cold and frozen land, the legendary ice dragon has never been tamed until it meets Adara, a winter child who looks to the creature to help save her world from destruction.

While on a research trip to the Arctic, Chris begins writing a story about bears, dragons and a mysterious fire star, only to realize that his tale is coming alive and is populated by an old adversary out to destroy his world forever.

Because Dragonwatch, an ancient group of wizards, enchantresses, and dragon slayers, is crumbling, an uprising of dragons threatens to destroy the magical preserves as well as overrun the nonmagical world.

Chronicles the adventures and misadventures of Hiccup Horrendous Haddock the Third as he tries to pass the important initiation test of his Viking clan, the Tribe of the Hairy Hooligans, by catching and training a dragon.

As the weather grows wilder and the ice caps melt, Arctic bears starve, dragons awake, the earth goddess Gaia becomes restless, and Alexa, the daughter of best-selling author David Rain, uses her special abilities in an attempt to save the world from the forces of evil.

When college student David Rain rents a room in an unusual boardinghouse full of clay dragons, he has no idea that they, along with some lively squirrels, will help jumpstart his writing career.

The three little dragons have agreed to take care of the old wizard's cats while he is away, but their inability to read his instructions causes problems until their friend, the Good Knight, saves the day.

Recounts the further escapades of Hiccup Horrendous Haddock the Third as he continues his Viking training during which he escapes from a boatload of Roman soldiers and searches for his kidnapped dragon.

Follows the further adventures and misadventures of Hiccup Horrendous Haddock the Third as his Viking training continues and his father leads a stranger and the Hairy Hooligans to the Isle of Skullions in search of a pirate's treasure.

"Book 12 is the epic finale to the New York Times bestselling How to Train Your Dragon series! The Doomsday of Yule has arrived, and the future of dragonkind lies in the hands of one boy with nothing to show, but everything to fight for. Hiccup's quest is clear... But can he end the rebellion? Can he prove himself to be king? Can he save the dragons? The stakes have never been higher, as the very fate of the Viking world hangs in the balance! "--