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.
Rivers of Time
Time travel came in time to save Reginald Rivers' livelihood: guiding big game safaris. The world from Paleocene to Pleistocene offers bigger game than any in the modern world. Anyone who could pay Rivers' considerable fee could hunt the dinosaur of his or her choice. But T Rex is a mere inconvenience compared to this group of Homo sapiens.
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