After being chased by a man wielding a shovel, scared silly by a mummy, and attacked by Heather Acosta, Sammy and her pals decide they've had their fill of monsters and head home to eat some candy. But along with bubble gum and chocolate bars, they discover something frightening in their trick-or-treating bags. Something that's definitely not sweet

Before they know it, Sammy and her friends are following suspicious gravediggers, ghoulish...

Sammy thought she'd seen all the weirdness her town had to offer--and then she met Justice Jack, Santa Martina's very own superhero. Well, really he's just a guy in spandex and a mask who rides around town on a dirt bike, hoping to find some crime to fight.

The old folks in town think he's wonderful. So wonderful that they've asked him to track down Sammy's neighbor Mrs. Wedgewood, who seems to have disappeared--along with a lot of other people's...