Young wizard prince Xar, who has no magic, and warrior princess Wish, an outcast, team up on an adventure that brings them to witches long believed to be extinct.

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.

To save his dragon from being banished, Hiccup must sneak into the public library and steal the Vikings' most sacred book

Hiccup Horrendous Haddock III must rescue his best friend, Fishlegs, from the deadly disease, Vorpentitis. The only cure is rare and almost impossible to find - a potato. 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. "Hiccup's best friend, Fishlegs, has been stung by the deadly Venomous Vorpent! The only cure is the Vegetable-That-No-one-dares-name....

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...

Hiccup Horrendous Haddock III was an awesome sword-fighter, a dragon-whisperer, and the greatest Viking hero who ever lived. But it wasn't always like that. How to Ride a Dragon's Storm looks back to when Hiccup was just an ordinary boy who was finding it very hard to be a hero. Hiccup has three months, five days, and six hours to discover America, get back to Berk, save his father, battle Polarserpents, and win the annual Inter-Tribal Friendly Swimming...

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!...

Reluctant hero Hiccup Horrendous Haddock III must rescue his best friend, Fishlegs, from the deadly disease Vorpentitis. The only cure is rare and almost impossible to find--a potato. But where will Hiccup find such a thing?