A latest entry in the best-selling series that includes Zero to Hero pits smooth-talking ghost Hoover Porterhouse against the spirit of a powerful Chumash Indian princess during a night at the museum,
Billy and the Hoove are back in the hilarious new series from bestselling authors Henry Winkler and Lin Oliver!When Billy Broccoli finds out his personal ghost, Hoover Porterhouse, is failing Responsi
Billy and Hoover are back in the hilarious new series from bestselling authors Henry Winkler and Lin Oliver!It's time for Moorepark Middle School's annual Speak Out Challenge, and Billy Broccoli think
