A Dram of Poison explained

A Dram of Poison is a 1956 mystery novel by the American author Charlotte Armstrong. It was first published in New York by Coward-McCann, an imprint of Putnam.^[1] The title is a line from William Shakespeare's Romeo and Juliet. It was awarded an Edgar Award by the Mystery Writers of America. Although considered for screen adaptation, no film was ultimately produced.^[2]

Bibliography

Cypert, Rick. The Virtue of Suspense: The Life and Works of Charlotte Armstrong. Associated University Press, 2008.
Reilly, John M. Twentieth Century Crime & Mystery Writers. Springer, 2015.