Damian and Howard are teaming up to face an all-new mastermind villain who is ready to demolish their favorite soccer spot!Summer is in session and that means all the neighborhood patrols, soccer games, and snacks the boys can handle. But things take an unexpected turn when a new group of heroes, known as the Hero Club, approach Damian and Howard with an unusual offeran invitation to help unmask the corporation planning to build a recycling factory in their favorite park. Together, they hope to recruit the help of Metropoliss favorite reporter.If that werent enough, Batman has been acting strangely and disappearing for stretches of time. And there are ninja everywhere…What could possibly be going on?Get ready for this laugh-out-loud sequel from beloved New York Times bestselling author-illustrator Jeffrey Brown.