This collection originally published: Garden City, N.Y. : Doubleday, 1963.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
A gun for dinosaur, and other imaginative tales by L. Sprague De Camp. ISBN 0706605705. Published by Remploy in 1974. Publication and catalogue information, links to buy online and reader comments.
