Join Hiccup and the gang as they try to train three young Thunderdrum dragons in this Beginner Reader based on a popular episode of DreamWorks Dragons: Defenders of Berk! Three young Thunderdrum dragons have just arrived in Berk. Hiccup does his best to train them so they can stay on Dragon Island, but they just won't listen! They're causing too much trouble, so Hiccup has to send them away, but he knows they won't be safe on their own. Is there anything Hiccup and his friends can do to protect the dragons?