For twelve years Gertrude has been the only goblin in Pinnec Hill.The adopted daughter of the Captain of the Guard she tries her hardest to live a normal life ignoring the looks of disgust-and the rocks-thrown her way. But when an invading fleet of airships brings a goblin army crashing through the city gates she understands why everyone fears her. The leader of this army is Wrendell a powerful goblin sorceress who burns the city to the ground in pursuit of one thing: the human princess Beatrix.Gertrude's father tasks her with rescuing Princess Beatrix. With the aid of a cursed knight and a talking tree Gertrude will encounter trolls and dragons discover the true history of her banished people and-as if that weren't enough-struggle with her own blossoming crush on a princess who doesn't trust her.No one expects much of a measly goblin girl but Gertrude may be the only person who can save the kingdom.