From the New York Times and USA Today bestselling How to Catch series comes a new Halloween treat to delight young readers and educators alike with STEAM concepts, hilarity, and chaos! It’s Halloween night and something doesn’t seem quite right. When our heroes head out to trick-or-treat, there are ghosts, goblins, and ghouls everywhere! The Catch Club Kids soon learn that the Halloween Witch opened a magical portal that let all the Halloween creatures visit your neighborhood to trick or treat! Follow along as the Catch Club Kids set zany traps for the Witch so that they can close the portal and get rid of the ghosts and goblins before they take all the Halloween candy!