When valuable cargo ships vanish from Rockfall Mountain's busiest port, crime-fighting goblin detective Fizz Marlow and his troll sleuthing partner, Tank Wrench

As the eve of the great Wizards' Summit approaches, wizards from all over Rockfall Mountain descend on the school at Shadow Tower to refine their craft. When pr

"Plenty of action, adventure and imagination." —School Library Journal In these illustrated novels, a goblin detective and technology-tinkering troll must thw

When their school bus veers off course while taking the kids from Gravelmuck Elementary on a field trip, monster detectives Tank and Fizz witness a crime that b

In this illustrated middle-grade novel and second book in the Tank & Fizz series, a goblin detective and a technology-tinkering troll must dodge battle bots and