"Hiccup has met so many kinds of dragons. There are some that fly, some that swim, some that breathe fire, and so many more. Learn all about them in this book!"--Front jacket flap.
When Hiccup is kidnapped by a mysterious dragon rider, he discovers the fate of his mother, Valka, and how the dragons of Berk needed to be rescued from the evil plot of Drago, the terrible dragon thief.