Hiccup Horrendous Haddock III, the reluctant Viking hero, tries to make the most of his somewhat limited time to discover America, return to Berk, save his father, fight Polarserpents, and win a swimming race.
Hiccup Horrendous Haddock III tries to save his dragon, Toothless, from being banished, but first he must steal a carefully stored Viking book from the Meathead Public Library, where he is sure to encounter the Hairy Scary Librarian and his army of warriors and dragons.
In 854, the bold fourteen-year-old daughter of a Viking chieftain, aided by her old and thin but equally intrepid horse and an ancient, one-eyed seer, must find a way to keep her clan together and save them from starvation.
Aiden, a novice about to take monastic vows in tenth century Ireland, meets Lana, a girl who understands his ability to hear the sounds of numbers humming from all living things, and just as he is beginning to question his religious calling, the two of them are thrown together in a mission to save their village from invading Vikings.
Hiccup Horrendous Haddock III must go to great lengths to find a potato, the only thing that will cure his friend Fishlegs of the deadly disease Vorpentitis.
Invites the reader to become the main character and revel in the gory, dark, horrific side of life throughout important eras in history, particulary during Viking exploration.