Originally published: New York : Pyramid Publications, 1967 ; St Albans : Panther, 1975. - '"The zap gun" originally appeared in "Worlds of tomorrow" issues of November 1965 and January 1966, under the title of "Operation Plowshare"' - title page verso.
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The zap gun ... by Philip K. Dick. ISBN 0586041125. Published by Panther in 1978. Publication and catalogue information, links to buy online and reader comments.
