Hiccup, The Viking who was Seasick is a picture book which introduces Hiccup. Only Hiccup, Old Wrinkly, and Stoick the Vast appear in the book. In the book, Hiccup tells his father, Stoick the Vast, that he feels seasick. Stoick then tells Hiccup that Vikings don't get seasick. At the end is a message: Vikings always get seasick.