After the events of HAHTHD the war between dragons and vikings is finally over. The sun was shining brightly, but something unexpected happened. There was an unexpected house on fire - it was Gobber's house! After, the fire was put out. Gobber claims that his house was burned down by a dragon no one believes exists. Unwilling to let her mentor head on a dangerous quest to finish the beast once and for all alone. Astrid drags the gang into another adventure to find the legendary Boneknapper Dragon. REPOSTED