Don't miss an action-packed, hilarious, heart-warming moment of the best-selling series that inspired the hit movies! Hiccup Horrendous Haddock III's best friend, Fishlegs, has been stung by the deadly Venomous Vorpent! The only cure is the Vegetable-That-No-One-Dares-Name. But where will Hiccup find such a thing? He'll have to dodge the terrible Sharkworms, battle Doomfangs, and outwit crazy Hooligans if he's going to be a Hero (again). A fast paced plot, plenty of action, slapstick humor, witty dialogue, and imaginative black and white illustrations make this fourth adventure in Cressida Cowell's beloved and best-selling How to Train Your Dragon series a must-listen.