"When I'm faced with a Pilkey fan looking to branch out, this graphic novel is the first book I reach for... If eight books aren't enough, the spinoff series, Agents of S.U.I.T., continues the fun." ―The New York Times

With more than three million copies in print, John Patrick Green's goofy graphic novel series is a colossal comics hit! Join super spy alligator duo MANGO and BRASH as they surf the sewers and fight the forces of evil.

When a cruise captain is found drifting at sea and delirious, the search begins for his missing ship and passengers! Did it sink? Was it boat-napped? Are supernatural forces at play? And can the InvestiGators unravel this maritime mystery before a second cruise befalls a similarly unfathomable fate? Seas the day and find out in this new nautical adventure!