"It's been a year since friends ABE and Pru joined Mister Fox's Fantasy Investigation Bureau--otherwise known as the Unbelievable FIB. In their next adventure, they must outrun trolls, explore Asgard and the Viking underworld, and try to outsmart the Queen of the Dead herself to change fate, save the world--and survive seventh grade"--
- ISBN10 1616204990
- ISBN13 9781616204990
- Publish Date 6 September 2016
- Publish Status Out of Print
- Out of Print 9 August 2022
- Imprint Algonquin Young Readers
- Format Hardcover
- Pages 304
- Language English