"Plenty of action, adventure and imagination." —School Library Journal

In these illustrated novels, a goblin detective and technology-tinkering troll must thwart monsters, mischief and mayhem and still make sure they hand their homework in on time.

This digital bundle includes the entire Tank & Fizz Mystery series: Tank & Fizz: The Case of the Slime Stampede, Tank & Fizz: The Case of the Battling Bots, Tank & Fizz: The Case of the Missing Mage, Tank & Fizz: The Case of Firebane's Folly and Tank & Fizz: The Case of the Tentacle Terror.