Follow Scooby, Shaggy, Velma, Daphne, and Fred into a bottomless cavern, which is haunted by the ghosts of Civil War soldiers. Or is it? The Mystery Inc. gang must uncover the secret of the haunted cave while taking care of another bottomless pit: Scooby's stomach! Action-packed text and comics-style art combine in this Scooby-Doo mystery!