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.

"A dragon rebellion is coming-filled with the meanest, nastiest dragons in the Archipelago. Razor-wings, Tongue twisters, and Vampire Ghouldeaths are attaching Vikings and seem to be seeking one soul in particular: Hiccup Horrendous Haddock the Third! Only a King can save them...and only a champion with all of the King's Lost Things can be King. In his adventures, Hiccup has collected quite a few "things" himself. But can a scrawny Viking save the...

Someone has stolen the Fire Egg. Now the volcano on Volcano Island is active and the tremors are hatching the eggs of the exterminator dragons! Can Hiccup return the Fire Egg to the volcano, stop the volcano from erupting, and save the Tribes from being wiped out by the terrible sword-claws of the Exterminators.

Long ago, the world was full of dragons. But what happened to them? Where are they now? These pages are taken from the notebooks of Viking Hero Hiccup Horrendous Haddock the Third when he was just a boy. A keen dragonwatcher, Hiccup paints a picture of the brilliance and fire and spirit of that lost dragon world. Featuring dragon profiles, dragon anatomy, dragon riding tips and lots more must know info e.g. how to spot the difference between an arsenic...

It's Hiccup's birthday, but he must save his dragon, Toothless, from being banished. He sneaks into the Meathead Public Library to steal the Vikings' sacred book, but must brave the Hairy Scary Librarian, the army of Meathead Warriors, and the Driller Dragons.

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.