When retired superheroes Mermaid Man and Barnacle Boy ask them to figure out what the glowing green trail outside of Shady Shoals Rest Home is, SpongeBob and Patrick get into a slimy situation with Bikini Bottom's most dangerous villains.

David Lewman has written more than 65 books starring SpongeBob SquarePants, Jimmy Neutron, the Fairly OddParents, G.I. Joe, the Wild Thornberrys, and other popular characters. He has also written scripts for many acclaimed television shows. Lewman lives in Los Angeles with his wife, Donna, and their dog, Pirkle.
Francesco Francavilla, an Eisner and Eagle Award winner and New York Times bestselling creator, is best known for bringing his signature neo-pulp style to the comics industry, from horror to superheroes and sci-fi. He cocreated and has worked on the acclaimed horror series Night of the Ghoul and Afterlife with Archie and is currently illustrating his creator-owned The Black Beetle. Born and raised in Italy, he now lives in Atlanta with his lovely partner, Lisa, and their two cats.