Sewer-loving secret agents Mango and Brash are plunged into a new mystery-and a Big mess-in John Patrick Green's hilarious adventure-packed graphic novel, InvestiGators: Take the Plunge.s.u.i.t. headquarters is under attack, and Mango and Brash are going undercover and underground disguised as city sewer workers to unclog a sticky situation. But when their search for the criminal Crackerdile backfires, the toilets they travel through back up-and the InvestiGators take the blame for it!