The Bad Guys are back for the 9th installment of the New York Times bestselling series!

When Mr. Wolf is blown up to Godzilla proportions, the Bad Guys find themselves in monster-sized trouble.

They must figure out how to stop an alien invasion and get Wolfie back to his old self before the world is totally destroyed.

Good thing they have the International League of Heroes on their side, and some newly honed superpowers ready to put to the test...

In this latest installment of the New York Times bestselling series, everyone's favorite hero has become a menace to society!

Can the Bad Guys save the day? You know it!