When equipment is stolen from Sifu Faiza's Kung Fu School, where students learn compassion and responsibility as they train their minds and bodies, four friends use basic math skills to track down the culprits. In comic book format.

"It's the first day of the fourth grade at Arthimos Elementary and things are already off to a strange start--poisonous cookies, a zipline disaster, a missing iPad, and what are those strange sounds coming from the school custodian's wheelbarrow? Luckily the Prime Detectives--Abby “the Abacus” Feldstein, Cameron “Cam” McGill, and Gabriel “Gabe” Kim--are on the case! Using arithmetic, geometry, and logic, the Prime Detectives are sure to...