L. Sprague de Camp
Lyon Sprague de Camp (1907–2000) was an American science fiction and fantasy author. His writing career spanned over fifty years. He wrote novels and works of nonfiction.
He looked like a cross between a dragon and a catfish, and he could
bend iron bars into pretzels with a flick of his hand. But what Zdim
the mild-mannered demon really was, was a scholar of logic and
philosophy. That's why when Zdim was drafted for a year's servitude on
the mortal plane he felt that a monumental administrative error had been made.
And even though Zdim resolved to be absolutely obedient and to do
exactly what he was told, the wizard who employed him soon agreed...
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