Something spooky is going on... Halloween is almost here, but Mallory doesn't have a clue what costume she wants to wear. To make matters worse, there's something strange moving through the walls of her house, and she suspects it's a ghost. Will Mallory discover what's making that ghostly noise, and will she think of a costume before it's too late? Featuring colorful and fun photographs of handmade scenes and characters, children and parents alike will delight in following Mallory Sweets on her adventure.