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Mortals and Monsters by Lester Del Rey Ballantine Books 1st 1965 Good

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Mortals and Monsters by Lester Del Rey 1st Edition First Printing paperback 1965

Mortals and Monsters by Lester Del Rey (1st Edition/First Printing, paperback)

Mortals and Monsters Lester del Rey PB 1st Ballantine (1965)