From USA Today bestselling author Leslie Langtry comes a hauntingly hilarious mystery... What's scarier than ex-CIA agent Merry Wrath's Girl Scout troop? How about the spookiest Halloween haunted house ever? And the girls have found the perfect place to hold it-a disturbingly dilapidated Victorian with something in the basement that gives off some serious we're-all-gonna-die vibes. Tween mayor Ava bought the house with city funds,...