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? Find out in their most stone-cold dangerous mission yet! The InvestiGators series is a hit with boys and girls aged 7+ and covers themes like:- Teamwork- Resilience- Problem-solvingJoin the InvestiGators on more adventures in Take the Plunge, Off the Hook, Ants in Our P.A.N.T.S, and Heist and Seek!