Crack the case with the InvestiGators! Join Mango and Brash in InvestiGators Braver and Boulder for the fifth adventure in the laugh-out-loud full colour series by John Patrick Green, perfect for fans of Bunny vs Monkey. The InvestiGators are having a hard time keeping a low profile - their new headquarters are in a giant robot towering over the city!

How can they be SECRET agents if everyone recognizes them?But with their ears to the ground, Mango and Brash hear mysterious rumblings about Boulder Buddies - mysterious glowing rocks turning up in the city!

Could a rocky relationship from the InvestiGators' past be behind this strange scheme?