The fate of the dragon world lies in the hands of one young boy… Can he defeat Alvin the Treacherous in the 12th and final adventure for Hiccup Horrendous Haddock III? Check out the cover of Cressida Cowell’s last ever book in the How to Train Your Dragon series, How to Fight a Dragon’s Fury. Scary, huh! How to Fight a Dragon’s Fury will be published in the UK on 8 September 2015.