A Gun for Dinosaur

"A Gun for Dinosaur" is a classic time travel science fiction story by American writer L. Sprague de Camp as part of his Rivers of Time series. It tells the story of four men who travel into the past to hunt dinosaurs.

It was first published in the magazine Galaxy Science Fiction for March, 1956, and first appeared in book form in the anthology The World That Couldn't Be and 8 Other SF Novelets (Doubleday, 1959). It has since been reprinted in numerous other anthologies, including The Time Curve (1968), 3000 Years of Fantasy and Science Fiction (1972), Dawn of Time (1979), Science Fiction A to Z (1982), Grand Masters' Choice (1989), Dinosaurs! (1990), Dinosaurs (1996), Timescapes: Stories of Time Travel (1997), The SFWA Grand Masters, Volume 1 (1999), The World Turned Upside Down (2005), The Best Time Travel Stories of the 20th Century (2005), and Sense of Wonder: A Century of Science Fiction (2011), as well as such collections of de Camp's work as A Gun for Dinosaur and Other Imaginative Tales (1963), The Best of L. Sprague de Camp (1978), Rivers of Time (1993), and Years in the Making: the Time-Travel Stories of L. Sprague de Camp (2005). It has been translated into French (twice), German (three times), Italian (twice), Czech, Russian, Dutch, Spanish, Japanese, and Portuguese. It has also been adapted into radio and comic book form.