Condition: Acceptable. Please see the images for more details.
Cover art:
Blurb: “With absolute certainty she knew..
SOMEONE WAS TRYING TO KILL HER. THE SHADOW KNOWS
Could it be her married lover? The phantom phone caller who obscenely assaulted her ears every night? Her ex-husband with whom she had quar reled so compulsively, so boringly? Or perhaps fat, black Osella who had gone over the brink into madness?
And she deepened the chill of her terror by thinking of the murderer, until the anticipated sick feeling crawled over her...
"Marvelous! If you want to wake up to the New Year with a thump, on your feet, experiencing the double thrill of being scared silly by a story and knocked out by the talent of its author, I press upon you The Shadow Knows." —Cosmopolitan”