Put Out The Light , despite being her fourth novel , was her first published mystery novel .
Ethel Lina White was a renowned mystery writer in both Britain and the United States in the 1930s and 40s .
Put Out The Light , despite being Ethel Lina White 's fourth novel , was her first published mystery novel .
Ethel Lina White was a renowned mystery writer in both Britain and the United States in the 1930s and 40s .