"In this illustrated middle-grade novel and third book in the Tank and Fizz series, a goblin detective and technology-tinkering troll must mix magic and gadgetry to defeat the evil doom mages."--

Bera doesn't ask for much in life. She's a solitary, humble troll, tending her island pumpkin patch in cheerful isolation. She isn't looking for any trouble. But when trouble comes to find her, it comes in spades. A human baby has arrived in the realm of the trolls, and nobody knows where it came from, but Bera seems to be the only person who doesn't want it dead. There's nothing to it but to return the adorable little thing to its parents. Like it...