While She Sleeps (novel)

While She Sleeps

American first edition
Author	Ethel Lina White
Language	English
Genre	Mystery Thriller
Publisher	Collins Crime Club (UK) Harper Brothers (US)
Publication date	1940
Publication place	United Kingdom
Media type	Print

While She Sleeps is a 1940 mystery thriller novel by the British writer Ethel Lina White.^{[1] [2]} White was an established author of mysteries and thrillers by this stage, and the novel was published by the Collins Crime Club and Harper Brothers.^[3]