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      How to Solve It: A New Aspect of Mathematical Method by Conway, John H.
      How to Solve It: A New Aspect of Mathematical Method -- G. Polya - Paperback
      $19.95 $14.98
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      Qed: The Strange Theory of Light and Matter by Feynman, Richard P.
      Qed: The Strange Theory of Light and Matter -- Richard P. Feynman - Paperback
      $19.95 $14.98