Lenore Glen Offord. The 9 Dark Hours (1941) 295 pp.
Cameron Ferris is a young woman, making her own way in San Francisco. She returns home one night early from a weekend away to find a strange man occupying her apartment. After she refuses to be bluffed into leaving, the man, Barney, takes her into her confidence and tells her a fantastic story of conspiracy, sabotage, and the kidnapping of the young daughter of a crusading newspaper editor. The kidnappers are hiding out in the apartment next to hers, the ransom is to be paid that night, and Barney and his confederates are hoping to catch them and rescue the baby. Before the night is over, Cameron has to figure out who is lying and who is telling the truth or die trying.
Baird & Greenwood 1942