Finishing the thrilling adventure that began in The PolarShield Project, a mysterious new foe plans to release a deadly virus, leaving the sons of the world's two greatest superheroes on their biggest mission yet! With the news of the Four Fingers taking refuge in the land of Landis, Batkid, Superboy, and Tilly begin their journey to stop the deadly virus from being unleashed onto the world. Meanwhile, Candace has already found her way to Landis and is taken underground to a group of people who still believe her to be the true queen of Landis. This brings our team fully together in an action-packed adventure through the desert of Landis, an unknown terrority filled with unknown dangers! New York Times bestselling author Ridley Pearson (Kingdom Keepers) and artist Ile Gonzalez bring an epic conclusion to a story two books in the making. From start to finish, don't miss the Super Sons of Superman and Batman springing into action on what might be their final mission!