Swamp Thing vs the zombie pets

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When Swamp Thing is called away to help with a fire elsewhere, Solomon Grundy and his zombie pets decide to take over the swamp--and it is up to Ace the Bat-Hound and the Swamp-Pets to repel the invasion.
AnimalsSwampsJuvenile fictionFictionSupervillainsDogsSuperheroesChildren's fictionDogs, fictionAnimals, fictionFantasy fictionMarshes, fiction