That's been a boon during the recent rise in commodity prices.

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Film studios see the built-in fan base from his books as a boon, while publishers see him as that rare commodity an author with Hollywood ties, capable of engineering his own big-budget film adaptations.

WSJ: Seth Grahame-Smith: The Master of the Mash-Up

And the recent fall in commodity prices, although partly sparked by economic fears, should be a boon.

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