Title: Dragons
Description: Hiccup and the gang investigate a large pit in the middle of a forest   and they find a hostile underground tribe there  Meanwhile, Stocik faces a threat from the past   the giant sea monster, the Submaripper.
Subjects: Comic books, strips, Caves, Vikings, Dragons, Children's fiction, Vikings, fiction, Dragons, fiction, Cartoons and comics, Picture books
Places: United States
People: Hiccup Horrendous Haddock III (Fictitious character)