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by Lois Gresh
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The science behind the gadgets, exploits, and enemies of the world's greatest spy.....
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by Lois Gresh
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If the planet Krypton had a gravitational field strong enough to account for Superman's amazing strength...
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by Lois Gresh
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The authors of The Science of Superheroes now reveal the real genius of the most evil geniuses....
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