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.

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.

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. But the Vikings see books as a dangerous influence, and keep them locked up and under heavy guard. To save his friend, Hiccup must brave the Hairy Scary Librarian and his dreadful army of Meathead Warriors and face off against...

Don't miss an action-packed, hilarious, heart-warming moment of the bestselling series that inspired the hit movies!
Hiccup Horrendous Haddock III's best friend, Fishlegs, has been stung by the deadly Venomous Vorpent! The only cure is the Vegetable-That-No-One-Dares-Name. But where will Hiccup find such a thing? He'll have to dodge the terrible Sharkworms, battle Doomfangs, and outwit crazy Hooligans if he's going to be a Hero (again).
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Don't miss an action-packed, hilarious, heart-warming moment of the New York Times bestselling series that inspired the hit movies!
The heat is on for Hiccup! Someone has stolen the Fires-Stone from Volcano Island, which means the Volcano has become active and the tremors are hatching the Eggs of Exterminator Dragons! Can Hiccup return the Fire-Stone to the Volcano, stop it from erupting, and save the Tribes from being wiped out...

The How to Train Your Dragon series chronicles the adventures and misadventures of Viking underdog Hiccup Horrendous Haddock III and his dragon, Toothless. In Book 9, a dragon rebellion is coming—filled with the meanest, nastiest dragons in the Archipelago. Razor-wings, Tonguetwisters, and Vampire Ghouldeaths are attacking Vikings and seem to be seeking one soul in particular: Hiccup Horrendous Haddock the Third! Only a King can save...