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A hardcover book on how science fiction and fantasy writers build worlds and ideas, and how those techniques carry into real-world problem solving. It sits at the crossover of writing craft and science and technology, aimed at readers who want both. The best new price is $75.00 at Walmart as of November 7, 2026, with two stores selling it new. That is a steep price for a single hardcover, so check whether a library or paperback edition fits before paying full price.
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Lowest price we've seen: $75.00 on Nov 7 at Walmart. Tracked across 2 stores since Nov 7.