The doomsday device

Andy Stanley thinks he's seen it all as the newest -- and youngest -- member of the Jungle Explorers' Society. He has battled monsters, hunted down ancient magical artifacts, and narrowly escaped stampeding jungle animals. And that was after his grandfather faked his own death and revealed he's now a sentient shrunken head! But nothing can prepare Andy for what happens when the Potentate and her evil Collective of criminals steal an ancient scrol...