Recess warriors

"A super villain is unleashing hordes of vampires, werewolves, and more to take over recess once and for all. Meanwhile, rifts have developed among our heroes: Yoshi is now leader of the pirates, Scrap has a new sidekick, and Clinton is haunted by a traumatic event from the past. Will they unite to defeat the mysterious supervillain? Can they harness the power of "the jinx" and use it to overcome their enemies? Who is Simon, and why does everyone do what he says?"--Provided by publisher.