The Zap Gun
Originally written in 1964 and published under the title Project Plowshare as a serial in the November 1965 and January 1966 issues of Worlds of Tomorrow magazine. This is a first printing of this later edition published by Dell Publishing, as a Dell Book 19907 ($1.75).
Softcover. First Dell Paperback Edition. New York: Dell Publishing, 1978. Levack 49g. ISBN: 0440199077. #11135.
Near fine.