The Metal Monster (All-Story)

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Some later paperback covers for this story can be seen here.

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The Ship of Ishtar (All-Story)

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A Call from the Enchanted Seas

From 1924, this is my fifth cover for this story, and the oldest.

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The Man With the Magic Face

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Even the Dictators must bow down to Mr. Mystery and his torch that fires the world

Featuring Adolf Hitler, Tojo Hideki, and Benito Mussolini, along with Mr. Mystery.

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