Superhero silliness / Abbott, Tony

"The Goofballs are invited to a superhero masquerade to stop a mysterious figure from stealing a priceless collection"--Provided by publisher.

The Goofballs are invited to a superhero masquerade to stop a mysterious figure from stealing a priceless collection.

When wealthy Randall Crandall asks the Goofballs to protect his collection from a thief, the detectives agree and attend his superhero party in disguise to find the culprit.