The Slime Squad vs. the Supernatural Squid : Book 4

Plog, Furp, Zill and Danjo aren't just monsters in a rubbish dump. They are crime-busting super-monsters, here to save their whiffy world! A sinister ghostly squid has been spotted at sea, attacking anything in sight - and then vanishing! What's going on? The Slime Squad are on the case - and they're going underwater! It's time to fight crime with slime!