InvestiGators 1-8 Collection Set By John Patrick: The humorous and educational full-color series, InvestiGators written and illustrated by John Patrick Green, is perfect for emerging readers and fans of Dav Pilkey's Dog Man. Mango and Robo-Brash team up to fight crime while Brash is hospitalized, but when Crookdile is out of action, their mission to stop crime before it starts may not be so simple. Join the InvestiGators on their thrilling adventures in the first eight books of this hilarious series!