"In this third book on the Tank and Fizz series, a goblin detective and technology-tinkering troll must mix magic and gadgetry to defeat the evil doom mages."--.
Devin and Nadia, shipped off to summer camp while their mother is away working on an agricultural research project, discover evidence of a dangerous conspiracy involving crooked scientists and genetically modified food.
Lieutenant Maynard and the men of the Royal Navy enlist the help of a local fisherman and his son to guide them through the shallow waters in their pursuit of Blackbeard; however, they didn't count on the boy's devotion to the notorious pirate.
