Math Mysteries: The Triplet Threat--where solving crimes means solving equations
It's the first day of 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